Home / 715,575.50-1,073,199.21-427,468.32

Finding the Fourth Proportional to 715,575.50, 1,073,199.21 and 427,468.32

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Solution

The fourth proportional to 715,575.50, 1,073,199.21 and 427,468.32 is: 641,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,575.50 : 1,073,199.21 = 427,468.32 : x
  2. Step 2: Convert to fraction form
    715,575.50/1,073,199.21 = 427,468.32/x
  3. Step 3: Cross multiply
    715,575.50x = 1,073,199.21 × 427,468.32
  4. Step 4: Simplify right side
    715,575.50x = 458,758,661,721.02
  5. Step 5: Solve for x
    x = 458,758,661,721.02/715,575.50
  6. Step 6: Final answer
    x = 641,104.49

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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.