Home / 682,652.55-1,023,898.86-429,184.71

Finding the Fourth Proportional to 682,652.55, 1,023,898.86 and 429,184.71

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Solution

The fourth proportional to 682,652.55, 1,023,898.86 and 429,184.71 is: 643,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,652.55 : 1,023,898.86 = 429,184.71 : x
  2. Step 2: Convert to fraction form
    682,652.55/1,023,898.86 = 429,184.71/x
  3. Step 3: Cross multiply
    682,652.55x = 1,023,898.86 × 429,184.71
  4. Step 4: Simplify right side
    682,652.55x = 439,441,735,298.43
  5. Step 5: Solve for x
    x = 439,441,735,298.43/682,652.55
  6. Step 6: Final answer
    x = 643,726.79

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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.