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Finding the Fourth Proportional to 625,282.32, 862,899.51 and 349,671.10

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Solution

The fourth proportional to 625,282.32, 862,899.51 and 349,671.10 is: 482,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,282.32 : 862,899.51 = 349,671.10 : x
  2. Step 2: Convert to fraction form
    625,282.32/862,899.51 = 349,671.10/x
  3. Step 3: Cross multiply
    625,282.32x = 862,899.51 × 349,671.10
  4. Step 4: Simplify right side
    625,282.32x = 301,731,020,851.16
  5. Step 5: Solve for x
    x = 301,731,020,851.16/625,282.32
  6. Step 6: Final answer
    x = 482,551.66

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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.