Home / 425,531.80-637,422.90-292,562.20

Finding the Fourth Proportional to 425,531.80, 637,422.90 and 292,562.20

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Solution

The fourth proportional to 425,531.80, 637,422.90 and 292,562.20 is: 438,241.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,531.80 : 637,422.90 = 292,562.20 : x
  2. Step 2: Convert to fraction form
    425,531.80/637,422.90 = 292,562.20/x
  3. Step 3: Cross multiply
    425,531.80x = 637,422.90 × 292,562.20
  4. Step 4: Simplify right side
    425,531.80x = 186,485,845,954.38
  5. Step 5: Solve for x
    x = 186,485,845,954.38/425,531.80
  6. Step 6: Final answer
    x = 438,241.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.