Home / 748,880.30-1,123,320.45-465,445.10

Finding the Fourth Proportional to 748,880.30, 1,123,320.45 and 465,445.10

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Solution

The fourth proportional to 748,880.30, 1,123,320.45 and 465,445.10 is: 698,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,880.30 : 1,123,320.45 = 465,445.10 : x
  2. Step 2: Convert to fraction form
    748,880.30/1,123,320.45 = 465,445.10/x
  3. Step 3: Cross multiply
    748,880.30x = 1,123,320.45 × 465,445.10
  4. Step 4: Simplify right side
    748,880.30x = 522,843,999,182.30
  5. Step 5: Solve for x
    x = 522,843,999,182.30/748,880.30
  6. Step 6: Final answer
    x = 698,167.65

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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.