Home / 807,562.80-1,211,613.84-358,221.72

Finding the Fourth Proportional to 807,562.80, 1,211,613.84 and 358,221.72

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Solution

The fourth proportional to 807,562.80, 1,211,613.84 and 358,221.72 is: 537,452.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,562.80 : 1,211,613.84 = 358,221.72 : x
  2. Step 2: Convert to fraction form
    807,562.80/1,211,613.84 = 358,221.72/x
  3. Step 3: Cross multiply
    807,562.80x = 1,211,613.84 × 358,221.72
  4. Step 4: Simplify right side
    807,562.80x = 434,026,393,740.61
  5. Step 5: Solve for x
    x = 434,026,393,740.61/807,562.80
  6. Step 6: Final answer
    x = 537,452.19

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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.