Home / 579,332.10-869,062.95-179,969.70

Finding the Fourth Proportional to 579,332.10, 869,062.95 and 179,969.70

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Solution

The fourth proportional to 579,332.10, 869,062.95 and 179,969.70 is: 269,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,332.10 : 869,062.95 = 179,969.70 : x
  2. Step 2: Convert to fraction form
    579,332.10/869,062.95 = 179,969.70/x
  3. Step 3: Cross multiply
    579,332.10x = 869,062.95 × 179,969.70
  4. Step 4: Simplify right side
    579,332.10x = 156,404,998,392.62
  5. Step 5: Solve for x
    x = 156,404,998,392.62/579,332.10
  6. Step 6: Final answer
    x = 269,974.68

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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.