Home / 748,097.70-1,120,915.35-432,003.30

Finding the Fourth Proportional to 748,097.70, 1,120,915.35 and 432,003.30

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Solution

The fourth proportional to 748,097.70, 1,120,915.35 and 432,003.30 is: 647,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,097.70 : 1,120,915.35 = 432,003.30 : x
  2. Step 2: Convert to fraction form
    748,097.70/1,120,915.35 = 432,003.30/x
  3. Step 3: Cross multiply
    748,097.70x = 1,120,915.35 × 432,003.30
  4. Step 4: Simplify right side
    748,097.70x = 484,239,130,220.66
  5. Step 5: Solve for x
    x = 484,239,130,220.66/748,097.70
  6. Step 6: Final answer
    x = 647,293.97

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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.