Home / 770,585.76-1,063,488.36-443,910.04

Finding the Fourth Proportional to 770,585.76, 1,063,488.36 and 443,910.04

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Solution

The fourth proportional to 770,585.76, 1,063,488.36 and 443,910.04 is: 612,641.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,585.76 : 1,063,488.36 = 443,910.04 : x
  2. Step 2: Convert to fraction form
    770,585.76/1,063,488.36 = 443,910.04/x
  3. Step 3: Cross multiply
    770,585.76x = 1,063,488.36 × 443,910.04
  4. Step 4: Simplify right side
    770,585.76x = 472,093,160,427.13
  5. Step 5: Solve for x
    x = 472,093,160,427.13/770,585.76
  6. Step 6: Final answer
    x = 612,641.95

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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.