Home / 497,739.47-747,356.88-284,747.86

Finding the Fourth Proportional to 497,739.47, 747,356.88 and 284,747.86

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Solution

The fourth proportional to 497,739.47, 747,356.88 and 284,747.86 is: 427,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,739.47 : 747,356.88 = 284,747.86 : x
  2. Step 2: Convert to fraction form
    497,739.47/747,356.88 = 284,747.86/x
  3. Step 3: Cross multiply
    497,739.47x = 747,356.88 × 284,747.86
  4. Step 4: Simplify right side
    497,739.47x = 212,808,268,499.49
  5. Step 5: Solve for x
    x = 212,808,268,499.49/497,739.47
  6. Step 6: Final answer
    x = 427,549.51

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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.