Home / 731,578.20-1,009,923.06-550,359.12

Finding the Fourth Proportional to 731,578.20, 1,009,923.06 and 550,359.12

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Solution

The fourth proportional to 731,578.20, 1,009,923.06 and 550,359.12 is: 759,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,578.20 : 1,009,923.06 = 550,359.12 : x
  2. Step 2: Convert to fraction form
    731,578.20/1,009,923.06 = 550,359.12/x
  3. Step 3: Cross multiply
    731,578.20x = 1,009,923.06 × 550,359.12
  4. Step 4: Simplify right side
    731,578.20x = 555,820,366,569.31
  5. Step 5: Solve for x
    x = 555,820,366,569.31/731,578.20
  6. Step 6: Final answer
    x = 759,755.23

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.