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Finding the Fourth Proportional to 637,507.73, 879,780.02 and 351,038.07

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Solution

The fourth proportional to 637,507.73, 879,780.02 and 351,038.07 is: 484,443.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,507.73 : 879,780.02 = 351,038.07 : x
  2. Step 2: Convert to fraction form
    637,507.73/879,780.02 = 351,038.07/x
  3. Step 3: Cross multiply
    637,507.73x = 879,780.02 × 351,038.07
  4. Step 4: Simplify right side
    637,507.73x = 308,836,278,490.17
  5. Step 5: Solve for x
    x = 308,836,278,490.17/637,507.73
  6. Step 6: Final answer
    x = 484,443.19

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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.