Home / 782,140.80-1,173,211.20-249,700.80

Finding the Fourth Proportional to 782,140.80, 1,173,211.20 and 249,700.80

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Solution

The fourth proportional to 782,140.80, 1,173,211.20 and 249,700.80 is: 374,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,140.80 : 1,173,211.20 = 249,700.80 : x
  2. Step 2: Convert to fraction form
    782,140.80/1,173,211.20 = 249,700.80/x
  3. Step 3: Cross multiply
    782,140.80x = 1,173,211.20 × 249,700.80
  4. Step 4: Simplify right side
    782,140.80x = 292,951,775,208.96
  5. Step 5: Solve for x
    x = 292,951,775,208.96/782,140.80
  6. Step 6: Final answer
    x = 374,551.20

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Double scale
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Similar ratio
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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.