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Finding the Fourth Proportional to 535,727.70, 803,591.55 and 417,487.50

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Solution

The fourth proportional to 535,727.70, 803,591.55 and 417,487.50 is: 626,231.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,727.70 : 803,591.55 = 417,487.50 : x
  2. Step 2: Convert to fraction form
    535,727.70/803,591.55 = 417,487.50/x
  3. Step 3: Cross multiply
    535,727.70x = 803,591.55 × 417,487.50
  4. Step 4: Simplify right side
    535,727.70x = 335,489,427,230.63
  5. Step 5: Solve for x
    x = 335,489,427,230.63/535,727.70
  6. Step 6: Final answer
    x = 626,231.25

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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.