Home / 748,914.13-1,033,500.09-409,382.38

Finding the Fourth Proportional to 748,914.13, 1,033,500.09 and 409,382.38

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Solution

The fourth proportional to 748,914.13, 1,033,500.09 and 409,382.38 is: 564,946.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,914.13 : 1,033,500.09 = 409,382.38 : x
  2. Step 2: Convert to fraction form
    748,914.13/1,033,500.09 = 409,382.38/x
  3. Step 3: Cross multiply
    748,914.13x = 1,033,500.09 × 409,382.38
  4. Step 4: Simplify right side
    748,914.13x = 423,096,726,574.41
  5. Step 5: Solve for x
    x = 423,096,726,574.41/748,914.13
  6. Step 6: Final answer
    x = 564,946.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.