Home / 748,549.20-1,122,823.80-249,913.20

Finding the Fourth Proportional to 748,549.20, 1,122,823.80 and 249,913.20

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Solution

The fourth proportional to 748,549.20, 1,122,823.80 and 249,913.20 is: 374,869.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,549.20 : 1,122,823.80 = 249,913.20 : x
  2. Step 2: Convert to fraction form
    748,549.20/1,122,823.80 = 249,913.20/x
  3. Step 3: Cross multiply
    748,549.20x = 1,122,823.80 × 249,913.20
  4. Step 4: Simplify right side
    748,549.20x = 280,608,488,894.16
  5. Step 5: Solve for x
    x = 280,608,488,894.16/748,549.20
  6. Step 6: Final answer
    x = 374,869.80

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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.