Home / 715,329.30-1,073,160.04-209,869.86

Finding the Fourth Proportional to 715,329.30, 1,073,160.04 and 209,869.86

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Solution

The fourth proportional to 715,329.30, 1,073,160.04 and 209,869.86 is: 314,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,329.30 : 1,073,160.04 = 209,869.86 : x
  2. Step 2: Convert to fraction form
    715,329.30/1,073,160.04 = 209,869.86/x
  3. Step 3: Cross multiply
    715,329.30x = 1,073,160.04 × 209,869.86
  4. Step 4: Simplify right side
    715,329.30x = 225,223,947,352.39
  5. Step 5: Solve for x
    x = 225,223,947,352.39/715,329.30
  6. Step 6: Final answer
    x = 314,853.52

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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.