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Finding the Fourth Proportional to 576,366.52, 795,360.18 and 321,711.88

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Solution

The fourth proportional to 576,366.52, 795,360.18 and 321,711.88 is: 443,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,366.52 : 795,360.18 = 321,711.88 : x
  2. Step 2: Convert to fraction form
    576,366.52/795,360.18 = 321,711.88/x
  3. Step 3: Cross multiply
    576,366.52x = 795,360.18 × 321,711.88
  4. Step 4: Simplify right side
    576,366.52x = 255,876,818,784.94
  5. Step 5: Solve for x
    x = 255,876,818,784.94/576,366.52
  6. Step 6: Final answer
    x = 443,948.10

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1.5x scale

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.