Home / 486,816.57-730,307.89-217,042.60

Finding the Fourth Proportional to 486,816.57, 730,307.89 and 217,042.60

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Solution

The fourth proportional to 486,816.57, 730,307.89 and 217,042.60 is: 325,600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,816.57 : 730,307.89 = 217,042.60 : x
  2. Step 2: Convert to fraction form
    486,816.57/730,307.89 = 217,042.60/x
  3. Step 3: Cross multiply
    486,816.57x = 730,307.89 × 217,042.60
  4. Step 4: Simplify right side
    486,816.57x = 158,507,923,246.11
  5. Step 5: Solve for x
    x = 158,507,923,246.11/486,816.57
  6. Step 6: Final answer
    x = 325,600.92

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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.