Home / 558,668.12-770,960.58-304,019.24

Finding the Fourth Proportional to 558,668.12, 770,960.58 and 304,019.24

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Solution

The fourth proportional to 558,668.12, 770,960.58 and 304,019.24 is: 419,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,668.12 : 770,960.58 = 304,019.24 : x
  2. Step 2: Convert to fraction form
    558,668.12/770,960.58 = 304,019.24/x
  3. Step 3: Cross multiply
    558,668.12x = 770,960.58 × 304,019.24
  4. Step 4: Simplify right side
    558,668.12x = 234,386,849,601.56
  5. Step 5: Solve for x
    x = 234,386,849,601.56/558,668.12
  6. Step 6: Final answer
    x = 419,545.78

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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.