Home / 739,389.57-1,109,084.46-178,424.07

Finding the Fourth Proportional to 739,389.57, 1,109,084.46 and 178,424.07

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Solution

The fourth proportional to 739,389.57, 1,109,084.46 and 178,424.07 is: 267,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,389.57 : 1,109,084.46 = 178,424.07 : x
  2. Step 2: Convert to fraction form
    739,389.57/1,109,084.46 = 178,424.07/x
  3. Step 3: Cross multiply
    739,389.57x = 1,109,084.46 × 178,424.07
  4. Step 4: Simplify right side
    739,389.57x = 197,887,363,326.95
  5. Step 5: Solve for x
    x = 197,887,363,326.95/739,389.57
  6. Step 6: Final answer
    x = 267,636.13

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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.