Home / 951,230.80-1,425,636.60-389,630.80

Finding the Fourth Proportional to 951,230.80, 1,425,636.60 and 389,630.80

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Solution

The fourth proportional to 951,230.80, 1,425,636.60 and 389,630.80 is: 583,950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,230.80 : 1,425,636.60 = 389,630.80 : x
  2. Step 2: Convert to fraction form
    951,230.80/1,425,636.60 = 389,630.80/x
  3. Step 3: Cross multiply
    951,230.80x = 1,425,636.60 × 389,630.80
  4. Step 4: Simplify right side
    951,230.80x = 555,471,928,967.28
  5. Step 5: Solve for x
    x = 555,471,928,967.28/951,230.80
  6. Step 6: Final answer
    x = 583,950.74

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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.