Home / 496,933.28-685,772.16-282,073.76

Finding the Fourth Proportional to 496,933.28, 685,772.16 and 282,073.76

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Solution

The fourth proportional to 496,933.28, 685,772.16 and 282,073.76 is: 389,264.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,933.28 : 685,772.16 = 282,073.76 : x
  2. Step 2: Convert to fraction form
    496,933.28/685,772.16 = 282,073.76/x
  3. Step 3: Cross multiply
    496,933.28x = 685,772.16 × 282,073.76
  4. Step 4: Simplify right side
    496,933.28x = 193,438,331,674.52
  5. Step 5: Solve for x
    x = 193,438,331,674.52/496,933.28
  6. Step 6: Final answer
    x = 389,264.19

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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.