Home / 748,096.20-1,120,913.10-432,001.80

Finding the Fourth Proportional to 748,096.20, 1,120,913.10 and 432,001.80

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Solution

The fourth proportional to 748,096.20, 1,120,913.10 and 432,001.80 is: 647,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,096.20 : 1,120,913.10 = 432,001.80 : x
  2. Step 2: Convert to fraction form
    748,096.20/1,120,913.10 = 432,001.80/x
  3. Step 3: Cross multiply
    748,096.20x = 1,120,913.10 × 432,001.80
  4. Step 4: Simplify right side
    748,096.20x = 484,236,476,843.58
  5. Step 5: Solve for x
    x = 484,236,476,843.58/748,096.20
  6. Step 6: Final answer
    x = 647,291.72

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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.