Home / 778,864.60-1,167,951.30-357,923.80

Finding the Fourth Proportional to 778,864.60, 1,167,951.30 and 357,923.80

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Solution

The fourth proportional to 778,864.60, 1,167,951.30 and 357,923.80 is: 536,726.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,864.60 : 1,167,951.30 = 357,923.80 : x
  2. Step 2: Convert to fraction form
    778,864.60/1,167,951.30 = 357,923.80/x
  3. Step 3: Cross multiply
    778,864.60x = 1,167,951.30 × 357,923.80
  4. Step 4: Simplify right side
    778,864.60x = 418,037,567,510.94
  5. Step 5: Solve for x
    x = 418,037,567,510.94/778,864.60
  6. Step 6: Final answer
    x = 536,726.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.