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Finding the Fourth Proportional to 540,251.20, 809,307.60 and 473,766.40

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Solution

The fourth proportional to 540,251.20, 809,307.60 and 473,766.40 is: 709,711.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,251.20 : 809,307.60 = 473,766.40 : x
  2. Step 2: Convert to fraction form
    540,251.20/809,307.60 = 473,766.40/x
  3. Step 3: Cross multiply
    540,251.20x = 809,307.60 × 473,766.40
  4. Step 4: Simplify right side
    540,251.20x = 383,422,748,144.64
  5. Step 5: Solve for x
    x = 383,422,748,144.64/540,251.20
  6. Step 6: Final answer
    x = 709,711.98

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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.