Home / 724,853.10-1,087,798.05-304,430.70

Finding the Fourth Proportional to 724,853.10, 1,087,798.05 and 304,430.70

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Solution

The fourth proportional to 724,853.10, 1,087,798.05 and 304,430.70 is: 456,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,853.10 : 1,087,798.05 = 304,430.70 : x
  2. Step 2: Convert to fraction form
    724,853.10/1,087,798.05 = 304,430.70/x
  3. Step 3: Cross multiply
    724,853.10x = 1,087,798.05 × 304,430.70
  4. Step 4: Simplify right side
    724,853.10x = 331,159,121,820.14
  5. Step 5: Solve for x
    x = 331,159,121,820.14/724,853.10
  6. Step 6: Final answer
    x = 456,863.77

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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.