Home / 634,272.45-951,263.02-378,177.45

Finding the Fourth Proportional to 634,272.45, 951,263.02 and 378,177.45

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Solution

The fourth proportional to 634,272.45, 951,263.02 and 378,177.45 is: 567,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,272.45 : 951,263.02 = 378,177.45 : x
  2. Step 2: Convert to fraction form
    634,272.45/951,263.02 = 378,177.45/x
  3. Step 3: Cross multiply
    634,272.45x = 951,263.02 × 378,177.45
  4. Step 4: Simplify right side
    634,272.45x = 359,746,223,182.90
  5. Step 5: Solve for x
    x = 359,746,223,182.90/634,272.45
  6. Step 6: Final answer
    x = 567,179.33

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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.