Home / 486,816.32-730,307.52-217,042.35

Finding the Fourth Proportional to 486,816.32, 730,307.52 and 217,042.35

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Solution

The fourth proportional to 486,816.32, 730,307.52 and 217,042.35 is: 325,600.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,816.32 : 730,307.52 = 217,042.35 : x
  2. Step 2: Convert to fraction form
    486,816.32/730,307.52 = 217,042.35/x
  3. Step 3: Cross multiply
    486,816.32x = 730,307.52 × 217,042.35
  4. Step 4: Simplify right side
    486,816.32x = 158,507,660,363.47
  5. Step 5: Solve for x
    x = 158,507,660,363.47/486,816.32
  6. Step 6: Final answer
    x = 325,600.55

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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.