Home / 513,685.13-770,532.89-229,390.14

Finding the Fourth Proportional to 513,685.13, 770,532.89 and 229,390.14

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Solution

The fourth proportional to 513,685.13, 770,532.89 and 229,390.14 is: 344,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,685.13 : 770,532.89 = 229,390.14 : x
  2. Step 2: Convert to fraction form
    513,685.13/770,532.89 = 229,390.14/x
  3. Step 3: Cross multiply
    513,685.13x = 770,532.89 × 229,390.14
  4. Step 4: Simplify right side
    513,685.13x = 176,752,646,364.75
  5. Step 5: Solve for x
    x = 176,752,646,364.75/513,685.13
  6. Step 6: Final answer
    x = 344,087.53

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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.