Home / 719,439.66-1,078,906.16-239,537.13

Finding the Fourth Proportional to 719,439.66, 1,078,906.16 and 239,537.13

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Solution

The fourth proportional to 719,439.66, 1,078,906.16 and 239,537.13 is: 359,221.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,439.66 : 1,078,906.16 = 239,537.13 : x
  2. Step 2: Convert to fraction form
    719,439.66/1,078,906.16 = 239,537.13/x
  3. Step 3: Cross multiply
    719,439.66x = 1,078,906.16 × 239,537.13
  4. Step 4: Simplify right side
    719,439.66x = 258,438,083,908.04
  5. Step 5: Solve for x
    x = 258,438,083,908.04/719,439.66
  6. Step 6: Final answer
    x = 359,221.35

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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.