Home / 579,081.15-868,216.73-342,301.95

Finding the Fourth Proportional to 579,081.15, 868,216.73 and 342,301.95

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Solution

The fourth proportional to 579,081.15, 868,216.73 and 342,301.95 is: 513,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,081.15 : 868,216.73 = 342,301.95 : x
  2. Step 2: Convert to fraction form
    579,081.15/868,216.73 = 342,301.95/x
  3. Step 3: Cross multiply
    579,081.15x = 868,216.73 × 342,301.95
  4. Step 4: Simplify right side
    579,081.15x = 297,192,277,990.11
  5. Step 5: Solve for x
    x = 297,192,277,990.11/579,081.15
  6. Step 6: Final answer
    x = 513,213.52

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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.