Home / 724,009.19-1,085,959.10-297,428.76

Finding the Fourth Proportional to 724,009.19, 1,085,959.10 and 297,428.76

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Solution

The fourth proportional to 724,009.19, 1,085,959.10 and 297,428.76 is: 446,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,009.19 : 1,085,959.10 = 297,428.76 : x
  2. Step 2: Convert to fraction form
    724,009.19/1,085,959.10 = 297,428.76/x
  3. Step 3: Cross multiply
    724,009.19x = 1,085,959.10 × 297,428.76
  4. Step 4: Simplify right side
    724,009.19x = 322,995,469,267.29
  5. Step 5: Solve for x
    x = 322,995,469,267.29/724,009.19
  6. Step 6: Final answer
    x = 446,120.68

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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.