Home / 744,129.32-1,116,169.02-323,405.16

Finding the Fourth Proportional to 744,129.32, 1,116,169.02 and 323,405.16

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Solution

The fourth proportional to 744,129.32, 1,116,169.02 and 323,405.16 is: 485,096.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,129.32 : 1,116,169.02 = 323,405.16 : x
  2. Step 2: Convert to fraction form
    744,129.32/1,116,169.02 = 323,405.16/x
  3. Step 3: Cross multiply
    744,129.32x = 1,116,169.02 × 323,405.16
  4. Step 4: Simplify right side
    744,129.32x = 360,974,820,500.14
  5. Step 5: Solve for x
    x = 360,974,820,500.14/744,129.32
  6. Step 6: Final answer
    x = 485,096.89

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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.