Home / 513,062.24-769,606.80-243,127.04

Finding the Fourth Proportional to 513,062.24, 769,606.80 and 243,127.04

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Solution

The fourth proportional to 513,062.24, 769,606.80 and 243,127.04 is: 364,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,062.24 : 769,606.80 = 243,127.04 : x
  2. Step 2: Convert to fraction form
    513,062.24/769,606.80 = 243,127.04/x
  3. Step 3: Cross multiply
    513,062.24x = 769,606.80 × 243,127.04
  4. Step 4: Simplify right side
    513,062.24x = 187,112,223,247.87
  5. Step 5: Solve for x
    x = 187,112,223,247.87/513,062.24
  6. Step 6: Final answer
    x = 364,696.93

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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.