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Finding the Fourth Proportional to 652,922.64, 900,775.71 and 377,098.20

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Solution

The fourth proportional to 652,922.64, 900,775.71 and 377,098.20 is: 520,246.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,922.64 : 900,775.71 = 377,098.20 : x
  2. Step 2: Convert to fraction form
    652,922.64/900,775.71 = 377,098.20/x
  3. Step 3: Cross multiply
    652,922.64x = 900,775.71 × 377,098.20
  4. Step 4: Simplify right side
    652,922.64x = 339,680,898,844.72
  5. Step 5: Solve for x
    x = 339,680,898,844.72/652,922.64
  6. Step 6: Final answer
    x = 520,246.78

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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.