Home / 791,401.64-1,092,189.68-447,269.38

Finding the Fourth Proportional to 791,401.64, 1,092,189.68 and 447,269.38

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Solution

The fourth proportional to 791,401.64, 1,092,189.68 and 447,269.38 is: 617,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,401.64 : 1,092,189.68 = 447,269.38 : x
  2. Step 2: Convert to fraction form
    791,401.64/1,092,189.68 = 447,269.38/x
  3. Step 3: Cross multiply
    791,401.64x = 1,092,189.68 × 447,269.38
  4. Step 4: Simplify right side
    791,401.64x = 488,502,999,403.70
  5. Step 5: Solve for x
    x = 488,502,999,403.70/791,401.64
  6. Step 6: Final answer
    x = 617,263.06

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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.