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Finding the Fourth Proportional to 530,351.52, 794,800.08 and 280,534.56

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Solution

The fourth proportional to 530,351.52, 794,800.08 and 280,534.56 is: 420,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,351.52 : 794,800.08 = 280,534.56 : x
  2. Step 2: Convert to fraction form
    530,351.52/794,800.08 = 280,534.56/x
  3. Step 3: Cross multiply
    530,351.52x = 794,800.08 × 280,534.56
  4. Step 4: Simplify right side
    530,351.52x = 222,968,890,730.77
  5. Step 5: Solve for x
    x = 222,968,890,730.77/530,351.52
  6. Step 6: Final answer
    x = 420,417.18

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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.