Home / 769,287.43-1,154,062.37-342,977.95

Finding the Fourth Proportional to 769,287.43, 1,154,062.37 and 342,977.95

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Solution

The fourth proportional to 769,287.43, 1,154,062.37 and 342,977.95 is: 514,525.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,287.43 : 1,154,062.37 = 342,977.95 : x
  2. Step 2: Convert to fraction form
    769,287.43/1,154,062.37 = 342,977.95/x
  3. Step 3: Cross multiply
    769,287.43x = 1,154,062.37 × 342,977.95
  4. Step 4: Simplify right side
    769,287.43x = 395,817,945,834.74
  5. Step 5: Solve for x
    x = 395,817,945,834.74/769,287.43
  6. Step 6: Final answer
    x = 514,525.43

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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.