Home / 898,139.70-1,347,209.55-886,329.90

Finding the Fourth Proportional to 898,139.70, 1,347,209.55 and 886,329.90

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Solution

The fourth proportional to 898,139.70, 1,347,209.55 and 886,329.90 is: 1,329,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,139.70 : 1,347,209.55 = 886,329.90 : x
  2. Step 2: Convert to fraction form
    898,139.70/1,347,209.55 = 886,329.90/x
  3. Step 3: Cross multiply
    898,139.70x = 1,347,209.55 × 886,329.90
  4. Step 4: Simplify right side
    898,139.70x = 1,194,072,105,730.55
  5. Step 5: Solve for x
    x = 1,194,072,105,730.55/898,139.70
  6. Step 6: Final answer
    x = 1,329,494.85

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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.