Home / 951,221.80-1,425,623.10-389,621.80

Finding the Fourth Proportional to 951,221.80, 1,425,623.10 and 389,621.80

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Solution

The fourth proportional to 951,221.80, 1,425,623.10 and 389,621.80 is: 583,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,221.80 : 1,425,623.10 = 389,621.80 : x
  2. Step 2: Convert to fraction form
    951,221.80/1,425,623.10 = 389,621.80/x
  3. Step 3: Cross multiply
    951,221.80x = 1,425,623.10 × 389,621.80
  4. Step 4: Simplify right side
    951,221.80x = 555,453,838,343.58
  5. Step 5: Solve for x
    x = 555,453,838,343.58/951,221.80
  6. Step 6: Final answer
    x = 583,937.25

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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.