Home / 819,585.42-1,131,027.89-480,053.67

Finding the Fourth Proportional to 819,585.42, 1,131,027.89 and 480,053.67

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Solution

The fourth proportional to 819,585.42, 1,131,027.89 and 480,053.67 is: 662,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,585.42 : 1,131,027.89 = 480,053.67 : x
  2. Step 2: Convert to fraction form
    819,585.42/1,131,027.89 = 480,053.67/x
  3. Step 3: Cross multiply
    819,585.42x = 1,131,027.89 × 480,053.67
  4. Step 4: Simplify right side
    819,585.42x = 542,954,091,887.57
  5. Step 5: Solve for x
    x = 542,954,091,887.57/819,585.42
  6. Step 6: Final answer
    x = 662,474.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.