Home / 558,934.60-771,332.64-304,287.61

Finding the Fourth Proportional to 558,934.60, 771,332.64 and 304,287.61

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Solution

The fourth proportional to 558,934.60, 771,332.64 and 304,287.61 is: 419,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,934.60 : 771,332.64 = 304,287.61 : x
  2. Step 2: Convert to fraction form
    558,934.60/771,332.64 = 304,287.61/x
  3. Step 3: Cross multiply
    558,934.60x = 771,332.64 × 304,287.61
  4. Step 4: Simplify right side
    558,934.60x = 234,706,960,162.49
  5. Step 5: Solve for x
    x = 234,706,960,162.49/558,934.60
  6. Step 6: Final answer
    x = 419,918.47

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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.