Home / 898,519.80-1,347,585.30-393,079.80

Finding the Fourth Proportional to 898,519.80, 1,347,585.30 and 393,079.80

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Solution

The fourth proportional to 898,519.80, 1,347,585.30 and 393,079.80 is: 589,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,519.80 : 1,347,585.30 = 393,079.80 : x
  2. Step 2: Convert to fraction form
    898,519.80/1,347,585.30 = 393,079.80/x
  3. Step 3: Cross multiply
    898,519.80x = 1,347,585.30 × 393,079.80
  4. Step 4: Simplify right side
    898,519.80x = 529,708,560,206.94
  5. Step 5: Solve for x
    x = 529,708,560,206.94/898,519.80
  6. Step 6: Final answer
    x = 589,534.65

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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.