Home / 779,748.10-1,170,010.95-443,047.30

Finding the Fourth Proportional to 779,748.10, 1,170,010.95 and 443,047.30

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Solution

The fourth proportional to 779,748.10, 1,170,010.95 and 443,047.30 is: 664,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,748.10 : 1,170,010.95 = 443,047.30 : x
  2. Step 2: Convert to fraction form
    779,748.10/1,170,010.95 = 443,047.30/x
  3. Step 3: Cross multiply
    779,748.10x = 1,170,010.95 × 443,047.30
  4. Step 4: Simplify right side
    779,748.10x = 518,370,192,367.94
  5. Step 5: Solve for x
    x = 518,370,192,367.94/779,748.10
  6. Step 6: Final answer
    x = 664,791.86

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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.