Home / 729,924.64-1,007,149.88-407,585.14

Finding the Fourth Proportional to 729,924.64, 1,007,149.88 and 407,585.14

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Solution

The fourth proportional to 729,924.64, 1,007,149.88 and 407,585.14 is: 562,385.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,924.64 : 1,007,149.88 = 407,585.14 : x
  2. Step 2: Convert to fraction form
    729,924.64/1,007,149.88 = 407,585.14/x
  3. Step 3: Cross multiply
    729,924.64x = 1,007,149.88 × 407,585.14
  4. Step 4: Simplify right side
    729,924.64x = 410,499,324,840.78
  5. Step 5: Solve for x
    x = 410,499,324,840.78/729,924.64
  6. Step 6: Final answer
    x = 562,385.90

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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.