Home / 720,009.06-1,080,691.56-365,277.66

Finding the Fourth Proportional to 720,009.06, 1,080,691.56 and 365,277.66

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Solution

The fourth proportional to 720,009.06, 1,080,691.56 and 365,277.66 is: 548,260.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,009.06 : 1,080,691.56 = 365,277.66 : x
  2. Step 2: Convert to fraction form
    720,009.06/1,080,691.56 = 365,277.66/x
  3. Step 3: Cross multiply
    720,009.06x = 1,080,691.56 × 365,277.66
  4. Step 4: Simplify right side
    720,009.06x = 394,752,484,218.55
  5. Step 5: Solve for x
    x = 394,752,484,218.55/720,009.06
  6. Step 6: Final answer
    x = 548,260.44

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1.5x scale

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.