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Finding the Fourth Proportional to 634,960.80, 952,251.12 and 255,759.84

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Solution

The fourth proportional to 634,960.80, 952,251.12 and 255,759.84 is: 383,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,960.80 : 952,251.12 = 255,759.84 : x
  2. Step 2: Convert to fraction form
    634,960.80/952,251.12 = 255,759.84/x
  3. Step 3: Cross multiply
    634,960.80x = 952,251.12 × 255,759.84
  4. Step 4: Simplify right side
    634,960.80x = 243,547,594,091.02
  5. Step 5: Solve for x
    x = 243,547,594,091.02/634,960.80
  6. Step 6: Final answer
    x = 383,563.20

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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.