Home / 804,442.38-1,206,663.56-299,130.56

Finding the Fourth Proportional to 804,442.38, 1,206,663.56 and 299,130.56

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Solution

The fourth proportional to 804,442.38, 1,206,663.56 and 299,130.56 is: 448,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,442.38 : 1,206,663.56 = 299,130.56 : x
  2. Step 2: Convert to fraction form
    804,442.38/1,206,663.56 = 299,130.56/x
  3. Step 3: Cross multiply
    804,442.38x = 1,206,663.56 × 299,130.56
  4. Step 4: Simplify right side
    804,442.38x = 360,949,946,434.39
  5. Step 5: Solve for x
    x = 360,949,946,434.39/804,442.38
  6. Step 6: Final answer
    x = 448,695.84

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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.