Home / 824,894.90-1,137,162.11-579,131.46

Finding the Fourth Proportional to 824,894.90, 1,137,162.11 and 579,131.46

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Solution

The fourth proportional to 824,894.90, 1,137,162.11 and 579,131.46 is: 798,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,894.90 : 1,137,162.11 = 579,131.46 : x
  2. Step 2: Convert to fraction form
    824,894.90/1,137,162.11 = 579,131.46/x
  3. Step 3: Cross multiply
    824,894.90x = 1,137,162.11 × 579,131.46
  4. Step 4: Simplify right side
    824,894.90x = 658,566,353,020.98
  5. Step 5: Solve for x
    x = 658,566,353,020.98/824,894.90
  6. Step 6: Final answer
    x = 798,363.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.