Home / 770,565.74-1,063,493.54-443,815.95

Finding the Fourth Proportional to 770,565.74, 1,063,493.54 and 443,815.95

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Solution

The fourth proportional to 770,565.74, 1,063,493.54 and 443,815.95 is: 612,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,565.74 : 1,063,493.54 = 443,815.95 : x
  2. Step 2: Convert to fraction form
    770,565.74/1,063,493.54 = 443,815.95/x
  3. Step 3: Cross multiply
    770,565.74x = 1,063,493.54 × 443,815.95
  4. Step 4: Simplify right side
    770,565.74x = 471,995,393,554.88
  5. Step 5: Solve for x
    x = 471,995,393,554.88/770,565.74
  6. Step 6: Final answer
    x = 612,530.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.