Home / 837,864.85-1,156,338.60-493,811.56

Finding the Fourth Proportional to 837,864.85, 1,156,338.60 and 493,811.56

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Solution

The fourth proportional to 837,864.85, 1,156,338.60 and 493,811.56 is: 681,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,864.85 : 1,156,338.60 = 493,811.56 : x
  2. Step 2: Convert to fraction form
    837,864.85/1,156,338.60 = 493,811.56/x
  3. Step 3: Cross multiply
    837,864.85x = 1,156,338.60 × 493,811.56
  4. Step 4: Simplify right side
    837,864.85x = 571,013,367,954.22
  5. Step 5: Solve for x
    x = 571,013,367,954.22/837,864.85
  6. Step 6: Final answer
    x = 681,510.11

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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.