Home / 744,142.32-1,116,188.28-323,418.24

Finding the Fourth Proportional to 744,142.32, 1,116,188.28 and 323,418.24

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Solution

The fourth proportional to 744,142.32, 1,116,188.28 and 323,418.24 is: 485,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,142.32 : 1,116,188.28 = 323,418.24 : x
  2. Step 2: Convert to fraction form
    744,142.32/1,116,188.28 = 323,418.24/x
  3. Step 3: Cross multiply
    744,142.32x = 1,116,188.28 × 323,418.24
  4. Step 4: Simplify right side
    744,142.32x = 360,995,649,026.23
  5. Step 5: Solve for x
    x = 360,995,649,026.23/744,142.32
  6. Step 6: Final answer
    x = 485,116.41

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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.