Home / 1,088,491.77-1,632,707.58-289,780.23

Finding the Fourth Proportional to 1,088,491.77, 1,632,707.58 and 289,780.23

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Solution

The fourth proportional to 1,088,491.77, 1,632,707.58 and 289,780.23 is: 434,662.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,491.77 : 1,632,707.58 = 289,780.23 : x
  2. Step 2: Convert to fraction form
    1,088,491.77/1,632,707.58 = 289,780.23/x
  3. Step 3: Cross multiply
    1,088,491.77x = 1,632,707.58 × 289,780.23
  4. Step 4: Simplify right side
    1,088,491.77x = 473,126,385,264.47
  5. Step 5: Solve for x
    x = 473,126,385,264.47/1,088,491.77
  6. Step 6: Final answer
    x = 434,662.35

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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.