Home / 952,160.20-1,428,238.86-390,799.24

Finding the Fourth Proportional to 952,160.20, 1,428,238.86 and 390,799.24

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Solution

The fourth proportional to 952,160.20, 1,428,238.86 and 390,799.24 is: 586,198.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,160.20 : 1,428,238.86 = 390,799.24 : x
  2. Step 2: Convert to fraction form
    952,160.20/1,428,238.86 = 390,799.24/x
  3. Step 3: Cross multiply
    952,160.20x = 1,428,238.86 × 390,799.24
  4. Step 4: Simplify right side
    952,160.20x = 558,154,661,026.47
  5. Step 5: Solve for x
    x = 558,154,661,026.47/952,160.20
  6. Step 6: Final answer
    x = 586,198.27

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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.