Home / 961,287.50-1,442,246.88-393,146.42

Finding the Fourth Proportional to 961,287.50, 1,442,246.88 and 393,146.42

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Solution

The fourth proportional to 961,287.50, 1,442,246.88 and 393,146.42 is: 589,848.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,287.50 : 1,442,246.88 = 393,146.42 : x
  2. Step 2: Convert to fraction form
    961,287.50/1,442,246.88 = 393,146.42/x
  3. Step 3: Cross multiply
    961,287.50x = 1,442,246.88 × 393,146.42
  4. Step 4: Simplify right side
    961,287.50x = 567,014,191,891.23
  5. Step 5: Solve for x
    x = 567,014,191,891.23/961,287.50
  6. Step 6: Final answer
    x = 589,848.71

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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.