Home / 899,932-1,241,932.08-497,549.92

Finding the Fourth Proportional to 899,932, 1,241,932.08 and 497,549.92

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Solution

The fourth proportional to 899,932, 1,241,932.08 and 497,549.92 is: 686,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,932 : 1,241,932.08 = 497,549.92 : x
  2. Step 2: Convert to fraction form
    899,932/1,241,932.08 = 497,549.92/x
  3. Step 3: Cross multiply
    899,932x = 1,241,932.08 × 497,549.92
  4. Step 4: Simplify right side
    899,932x = 617,923,207,049.43
  5. Step 5: Solve for x
    x = 617,923,207,049.43/899,932
  6. Step 6: Final answer
    x = 686,633.22

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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.