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Finding the Fourth Proportional to 687,807.02, 947,612.35 and 532,223.39

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Solution

The fourth proportional to 687,807.02, 947,612.35 and 532,223.39 is: 733,260.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,807.02 : 947,612.35 = 532,223.39 : x
  2. Step 2: Convert to fraction form
    687,807.02/947,612.35 = 532,223.39/x
  3. Step 3: Cross multiply
    687,807.02x = 947,612.35 × 532,223.39
  4. Step 4: Simplify right side
    687,807.02x = 504,341,451,254.25
  5. Step 5: Solve for x
    x = 504,341,451,254.25/687,807.02
  6. Step 6: Final answer
    x = 733,260.11

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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.