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Finding the Fourth Proportional to 532,288.27, 798,432.44 and 425,170.70

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Solution

The fourth proportional to 532,288.27, 798,432.44 and 425,170.70 is: 637,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,288.27 : 798,432.44 = 425,170.70 : x
  2. Step 2: Convert to fraction form
    532,288.27/798,432.44 = 425,170.70/x
  3. Step 3: Cross multiply
    532,288.27x = 798,432.44 × 425,170.70
  4. Step 4: Simplify right side
    532,288.27x = 339,470,080,784.80
  5. Step 5: Solve for x
    x = 339,470,080,784.80/532,288.27
  6. Step 6: Final answer
    x = 637,756.08

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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.