Home / 463,244.80-639,248.10-259,261.30

Finding the Fourth Proportional to 463,244.80, 639,248.10 and 259,261.30

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Solution

The fourth proportional to 463,244.80, 639,248.10 and 259,261.30 is: 357,763.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,244.80 : 639,248.10 = 259,261.30 : x
  2. Step 2: Convert to fraction form
    463,244.80/639,248.10 = 259,261.30/x
  3. Step 3: Cross multiply
    463,244.80x = 639,248.10 × 259,261.30
  4. Step 4: Simplify right side
    463,244.80x = 165,732,293,428.53
  5. Step 5: Solve for x
    x = 165,732,293,428.53/463,244.80
  6. Step 6: Final answer
    x = 357,763.96

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1.5x scale

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.