Home / 1,088,136.20-1,632,434.70-329,915.40

Finding the Fourth Proportional to 1,088,136.20, 1,632,434.70 and 329,915.40

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Solution

The fourth proportional to 1,088,136.20, 1,632,434.70 and 329,915.40 is: 494,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,136.20 : 1,632,434.70 = 329,915.40 : x
  2. Step 2: Convert to fraction form
    1,088,136.20/1,632,434.70 = 329,915.40/x
  3. Step 3: Cross multiply
    1,088,136.20x = 1,632,434.70 × 329,915.40
  4. Step 4: Simplify right side
    1,088,136.20x = 538,565,347,024.38
  5. Step 5: Solve for x
    x = 538,565,347,024.38/1,088,136.20
  6. Step 6: Final answer
    x = 494,942.96

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Double scale
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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.