Home / 778,974.70-1,168,462.05-486,937.30

Finding the Fourth Proportional to 778,974.70, 1,168,462.05 and 486,937.30

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Solution

The fourth proportional to 778,974.70, 1,168,462.05 and 486,937.30 is: 730,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,974.70 : 1,168,462.05 = 486,937.30 : x
  2. Step 2: Convert to fraction form
    778,974.70/1,168,462.05 = 486,937.30/x
  3. Step 3: Cross multiply
    778,974.70x = 1,168,462.05 × 486,937.30
  4. Step 4: Simplify right side
    778,974.70x = 568,967,755,779.47
  5. Step 5: Solve for x
    x = 568,967,755,779.47/778,974.70
  6. Step 6: Final answer
    x = 730,405.95

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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.