Home / 748,581.47-1,123,193.98-243,297.40

Finding the Fourth Proportional to 748,581.47, 1,123,193.98 and 243,297.40

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Solution

The fourth proportional to 748,581.47, 1,123,193.98 and 243,297.40 is: 365,050.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,581.47 : 1,123,193.98 = 243,297.40 : x
  2. Step 2: Convert to fraction form
    748,581.47/1,123,193.98 = 243,297.40/x
  3. Step 3: Cross multiply
    748,581.47x = 1,123,193.98 × 243,297.40
  4. Step 4: Simplify right side
    748,581.47x = 273,270,175,029.65
  5. Step 5: Solve for x
    x = 273,270,175,029.65/748,581.47
  6. Step 6: Final answer
    x = 365,050.68

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Double scale
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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.