Home / 1,088,288.40-1,632,436.36-330,136.40

Finding the Fourth Proportional to 1,088,288.40, 1,632,436.36 and 330,136.40

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Solution

The fourth proportional to 1,088,288.40, 1,632,436.36 and 330,136.40 is: 495,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,288.40 : 1,632,436.36 = 330,136.40 : x
  2. Step 2: Convert to fraction form
    1,088,288.40/1,632,436.36 = 330,136.40/x
  3. Step 3: Cross multiply
    1,088,288.40x = 1,632,436.36 × 330,136.40
  4. Step 4: Simplify right side
    1,088,288.40x = 538,926,663,119.50
  5. Step 5: Solve for x
    x = 538,926,663,119.50/1,088,288.40
  6. Step 6: Final answer
    x = 495,205.74

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.