Home / 817,770.06-1,226,654.73-218,715.66

Finding the Fourth Proportional to 817,770.06, 1,226,654.73 and 218,715.66

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Solution

The fourth proportional to 817,770.06, 1,226,654.73 and 218,715.66 is: 328,073.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,770.06 : 1,226,654.73 = 218,715.66 : x
  2. Step 2: Convert to fraction form
    817,770.06/1,226,654.73 = 218,715.66/x
  3. Step 3: Cross multiply
    817,770.06x = 1,226,654.73 × 218,715.66
  4. Step 4: Simplify right side
    817,770.06x = 268,288,598,864.07
  5. Step 5: Solve for x
    x = 268,288,598,864.07/817,770.06
  6. Step 6: Final answer
    x = 328,073.39

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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.