Home / 748,347.64-1,122,531.18-249,711.64

Finding the Fourth Proportional to 748,347.64, 1,122,531.18 and 249,711.64

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Solution

The fourth proportional to 748,347.64, 1,122,531.18 and 249,711.64 is: 374,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,347.64 : 1,122,531.18 = 249,711.64 : x
  2. Step 2: Convert to fraction form
    748,347.64/1,122,531.18 = 249,711.64/x
  3. Step 3: Cross multiply
    748,347.64x = 1,122,531.18 × 249,711.64
  4. Step 4: Simplify right side
    748,347.64x = 280,309,101,908.94
  5. Step 5: Solve for x
    x = 280,309,101,908.94/748,347.64
  6. Step 6: Final answer
    x = 374,570.70

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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.