Home / 891,295.29-1,229,981.90-483,406.83

Finding the Fourth Proportional to 891,295.29, 1,229,981.90 and 483,406.83

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Solution

The fourth proportional to 891,295.29, 1,229,981.90 and 483,406.83 is: 667,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,295.29 : 1,229,981.90 = 483,406.83 : x
  2. Step 2: Convert to fraction form
    891,295.29/1,229,981.90 = 483,406.83/x
  3. Step 3: Cross multiply
    891,295.29x = 1,229,981.90 × 483,406.83
  4. Step 4: Simplify right side
    891,295.29x = 594,581,648,819.34
  5. Step 5: Solve for x
    x = 594,581,648,819.34/891,295.29
  6. Step 6: Final answer
    x = 667,098.39

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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.