Home / 951,239.80-1,425,650.10-389,639.80

Finding the Fourth Proportional to 951,239.80, 1,425,650.10 and 389,639.80

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Solution

The fourth proportional to 951,239.80, 1,425,650.10 and 389,639.80 is: 583,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,239.80 : 1,425,650.10 = 389,639.80 : x
  2. Step 2: Convert to fraction form
    951,239.80/1,425,650.10 = 389,639.80/x
  3. Step 3: Cross multiply
    951,239.80x = 1,425,650.10 × 389,639.80
  4. Step 4: Simplify right side
    951,239.80x = 555,490,019,833.98
  5. Step 5: Solve for x
    x = 555,490,019,833.98/951,239.80
  6. Step 6: Final answer
    x = 583,964.23

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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.