Home / 744,034.80-1,116,311.40-323,612.40

Finding the Fourth Proportional to 744,034.80, 1,116,311.40 and 323,612.40

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Solution

The fourth proportional to 744,034.80, 1,116,311.40 and 323,612.40 is: 485,531.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,034.80 : 1,116,311.40 = 323,612.40 : x
  2. Step 2: Convert to fraction form
    744,034.80/1,116,311.40 = 323,612.40/x
  3. Step 3: Cross multiply
    744,034.80x = 1,116,311.40 × 323,612.40
  4. Step 4: Simplify right side
    744,034.80x = 361,252,211,301.36
  5. Step 5: Solve for x
    x = 361,252,211,301.36/744,034.80
  6. Step 6: Final answer
    x = 485,531.34

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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.