Home / 728,740.53-1,004,898.78-627,110.64

Finding the Fourth Proportional to 728,740.53, 1,004,898.78 and 627,110.64

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Solution

The fourth proportional to 728,740.53, 1,004,898.78 and 627,110.64 is: 864,755.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,740.53 : 1,004,898.78 = 627,110.64 : x
  2. Step 2: Convert to fraction form
    728,740.53/1,004,898.78 = 627,110.64/x
  3. Step 3: Cross multiply
    728,740.53x = 1,004,898.78 × 627,110.64
  4. Step 4: Simplify right side
    728,740.53x = 630,182,717,061.02
  5. Step 5: Solve for x
    x = 630,182,717,061.02/728,740.53
  6. Step 6: Final answer
    x = 864,755.96

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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.