Home / 748,899.80-1,123,349.70-496,957.40

Finding the Fourth Proportional to 748,899.80, 1,123,349.70 and 496,957.40

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Solution

The fourth proportional to 748,899.80, 1,123,349.70 and 496,957.40 is: 745,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,899.80 : 1,123,349.70 = 496,957.40 : x
  2. Step 2: Convert to fraction form
    748,899.80/1,123,349.70 = 496,957.40/x
  3. Step 3: Cross multiply
    748,899.80x = 1,123,349.70 × 496,957.40
  4. Step 4: Simplify right side
    748,899.80x = 558,256,946,202.78
  5. Step 5: Solve for x
    x = 558,256,946,202.78/748,899.80
  6. Step 6: Final answer
    x = 745,436.10

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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.