Home / 905,687.52-1,249,861.76-497,827.12

Finding the Fourth Proportional to 905,687.52, 1,249,861.76 and 497,827.12

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Solution

The fourth proportional to 905,687.52, 1,249,861.76 and 497,827.12 is: 687,008.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,687.52 : 1,249,861.76 = 497,827.12 : x
  2. Step 2: Convert to fraction form
    905,687.52/1,249,861.76 = 497,827.12/x
  3. Step 3: Cross multiply
    905,687.52x = 1,249,861.76 × 497,827.12
  4. Step 4: Simplify right side
    905,687.52x = 622,215,080,378.93
  5. Step 5: Solve for x
    x = 622,215,080,378.93/905,687.52
  6. Step 6: Final answer
    x = 687,008.56

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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.