Home / 575,685.20-794,428.08-321,079.52

Finding the Fourth Proportional to 575,685.20, 794,428.08 and 321,079.52

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Solution

The fourth proportional to 575,685.20, 794,428.08 and 321,079.52 is: 443,079.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,685.20 : 794,428.08 = 321,079.52 : x
  2. Step 2: Convert to fraction form
    575,685.20/794,428.08 = 321,079.52/x
  3. Step 3: Cross multiply
    575,685.20x = 794,428.08 × 321,079.52
  4. Step 4: Simplify right side
    575,685.20x = 255,074,586,600.92
  5. Step 5: Solve for x
    x = 255,074,586,600.92/575,685.20
  6. Step 6: Final answer
    x = 443,079.98

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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.