Home / 634,628.22-951,942.69-315,000.92

Finding the Fourth Proportional to 634,628.22, 951,942.69 and 315,000.92

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Solution

The fourth proportional to 634,628.22, 951,942.69 and 315,000.92 is: 472,501.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,628.22 : 951,942.69 = 315,000.92 : x
  2. Step 2: Convert to fraction form
    634,628.22/951,942.69 = 315,000.92/x
  3. Step 3: Cross multiply
    634,628.22x = 951,942.69 × 315,000.92
  4. Step 4: Simplify right side
    634,628.22x = 299,862,818,377.56
  5. Step 5: Solve for x
    x = 299,862,818,377.56/634,628.22
  6. Step 6: Final answer
    x = 472,501.55

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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.