Home / 670,292.25-1,005,121.62-243,530.52

Finding the Fourth Proportional to 670,292.25, 1,005,121.62 and 243,530.52

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Solution

The fourth proportional to 670,292.25, 1,005,121.62 and 243,530.52 is: 365,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,292.25 : 1,005,121.62 = 243,530.52 : x
  2. Step 2: Convert to fraction form
    670,292.25/1,005,121.62 = 243,530.52/x
  3. Step 3: Cross multiply
    670,292.25x = 1,005,121.62 × 243,530.52
  4. Step 4: Simplify right side
    670,292.25x = 244,777,790,781.84
  5. Step 5: Solve for x
    x = 244,777,790,781.84/670,292.25
  6. Step 6: Final answer
    x = 365,180.70

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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.