Home / 659,933.24-910,708.45-358,127.24

Finding the Fourth Proportional to 659,933.24, 910,708.45 and 358,127.24

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Solution

The fourth proportional to 659,933.24, 910,708.45 and 358,127.24 is: 494,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,933.24 : 910,708.45 = 358,127.24 : x
  2. Step 2: Convert to fraction form
    659,933.24/910,708.45 = 358,127.24/x
  3. Step 3: Cross multiply
    659,933.24x = 910,708.45 × 358,127.24
  4. Step 4: Simplify right side
    659,933.24x = 326,149,503,643.18
  5. Step 5: Solve for x
    x = 326,149,503,643.18/659,933.24
  6. Step 6: Final answer
    x = 494,215.91

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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.