Home / 748,251.58-1,122,543.22-215,731.06

Finding the Fourth Proportional to 748,251.58, 1,122,543.22 and 215,731.06

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Solution

The fourth proportional to 748,251.58, 1,122,543.22 and 215,731.06 is: 323,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,251.58 : 1,122,543.22 = 215,731.06 : x
  2. Step 2: Convert to fraction form
    748,251.58/1,122,543.22 = 215,731.06/x
  3. Step 3: Cross multiply
    748,251.58x = 1,122,543.22 × 215,731.06
  4. Step 4: Simplify right side
    748,251.58x = 242,167,438,746.41
  5. Step 5: Solve for x
    x = 242,167,438,746.41/748,251.58
  6. Step 6: Final answer
    x = 323,644.41

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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.