Home / 951,228.80-1,425,633.60-389,628.80

Finding the Fourth Proportional to 951,228.80, 1,425,633.60 and 389,628.80

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Solution

The fourth proportional to 951,228.80, 1,425,633.60 and 389,628.80 is: 583,947.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,228.80 : 1,425,633.60 = 389,628.80 : x
  2. Step 2: Convert to fraction form
    951,228.80/1,425,633.60 = 389,628.80/x
  3. Step 3: Cross multiply
    951,228.80x = 1,425,633.60 × 389,628.80
  4. Step 4: Simplify right side
    951,228.80x = 555,467,908,807.68
  5. Step 5: Solve for x
    x = 555,467,908,807.68/951,228.80
  6. Step 6: Final answer
    x = 583,947.74

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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.