Home / 781,481.36-1,172,209.24-248,995.16

Finding the Fourth Proportional to 781,481.36, 1,172,209.24 and 248,995.16

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Solution

The fourth proportional to 781,481.36, 1,172,209.24 and 248,995.16 is: 373,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,481.36 : 1,172,209.24 = 248,995.16 : x
  2. Step 2: Convert to fraction form
    781,481.36/1,172,209.24 = 248,995.16/x
  3. Step 3: Cross multiply
    781,481.36x = 1,172,209.24 × 248,995.16
  4. Step 4: Simplify right side
    781,481.36x = 291,874,427,267.28
  5. Step 5: Solve for x
    x = 291,874,427,267.28/781,481.36
  6. Step 6: Final answer
    x = 373,488.66

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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.