Home / 497,633.04-686,766.60-282,773.52

Finding the Fourth Proportional to 497,633.04, 686,766.60 and 282,773.52

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Solution

The fourth proportional to 497,633.04, 686,766.60 and 282,773.52 is: 390,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,633.04 : 686,766.60 = 282,773.52 : x
  2. Step 2: Convert to fraction form
    497,633.04/686,766.60 = 282,773.52/x
  3. Step 3: Cross multiply
    497,633.04x = 686,766.60 × 282,773.52
  4. Step 4: Simplify right side
    497,633.04x = 194,199,408,900.43
  5. Step 5: Solve for x
    x = 194,199,408,900.43/497,633.04
  6. Step 6: Final answer
    x = 390,246.21

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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.