Home / 782,108.80-1,173,163.20-249,668.80

Finding the Fourth Proportional to 782,108.80, 1,173,163.20 and 249,668.80

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Solution

The fourth proportional to 782,108.80, 1,173,163.20 and 249,668.80 is: 374,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,108.80 : 1,173,163.20 = 249,668.80 : x
  2. Step 2: Convert to fraction form
    782,108.80/1,173,163.20 = 249,668.80/x
  3. Step 3: Cross multiply
    782,108.80x = 1,173,163.20 × 249,668.80
  4. Step 4: Simplify right side
    782,108.80x = 292,902,248,348.16
  5. Step 5: Solve for x
    x = 292,902,248,348.16/782,108.80
  6. Step 6: Final answer
    x = 374,503.20

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Double scale
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Similar ratio
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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.