Home / 770,584.76-1,063,486.98-443,909.04

Finding the Fourth Proportional to 770,584.76, 1,063,486.98 and 443,909.04

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Solution

The fourth proportional to 770,584.76, 1,063,486.98 and 443,909.04 is: 612,640.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,584.76 : 1,063,486.98 = 443,909.04 : x
  2. Step 2: Convert to fraction form
    770,584.76/1,063,486.98 = 443,909.04/x
  3. Step 3: Cross multiply
    770,584.76x = 1,063,486.98 × 443,909.04
  4. Step 4: Simplify right side
    770,584.76x = 472,091,484,344.30
  5. Step 5: Solve for x
    x = 472,091,484,344.30/770,584.76
  6. Step 6: Final answer
    x = 612,640.57

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1.5x scale

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.