Home / 517,821.14-776,370.72-229,475.76

Finding the Fourth Proportional to 517,821.14, 776,370.72 and 229,475.76

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Solution

The fourth proportional to 517,821.14, 776,370.72 and 229,475.76 is: 344,053.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,821.14 : 776,370.72 = 229,475.76 : x
  2. Step 2: Convert to fraction form
    517,821.14/776,370.72 = 229,475.76/x
  3. Step 3: Cross multiply
    517,821.14x = 776,370.72 × 229,475.76
  4. Step 4: Simplify right side
    517,821.14x = 178,158,261,013.75
  5. Step 5: Solve for x
    x = 178,158,261,013.75/517,821.14
  6. Step 6: Final answer
    x = 344,053.66

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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.