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Finding the Fourth Proportional to 532,025.70, 798,039.46 and 426,083.47

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Solution

The fourth proportional to 532,025.70, 798,039.46 and 426,083.47 is: 639,125.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,025.70 : 798,039.46 = 426,083.47 : x
  2. Step 2: Convert to fraction form
    532,025.70/798,039.46 = 426,083.47/x
  3. Step 3: Cross multiply
    532,025.70x = 798,039.46 × 426,083.47
  4. Step 4: Simplify right side
    532,025.70x = 340,031,423,843.88
  5. Step 5: Solve for x
    x = 340,031,423,843.88/532,025.70
  6. Step 6: Final answer
    x = 639,125.94

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Similar ratio
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1.5x scale

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.