Home / 782,020.60-1,173,084.21-249,581.78

Finding the Fourth Proportional to 782,020.60, 1,173,084.21 and 249,581.78

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Solution

The fourth proportional to 782,020.60, 1,173,084.21 and 249,581.78 is: 374,389.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,020.60 : 1,173,084.21 = 249,581.78 : x
  2. Step 2: Convert to fraction form
    782,020.60/1,173,084.21 = 249,581.78/x
  3. Step 3: Cross multiply
    782,020.60x = 1,173,084.21 × 249,581.78
  4. Step 4: Simplify right side
    782,020.60x = 292,780,446,703.65
  5. Step 5: Solve for x
    x = 292,780,446,703.65/782,020.60
  6. Step 6: Final answer
    x = 374,389.69

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Double scale
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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.