Home / 761,755.14-1,142,701.98-200,789.64

Finding the Fourth Proportional to 761,755.14, 1,142,701.98 and 200,789.64

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Solution

The fourth proportional to 761,755.14, 1,142,701.98 and 200,789.64 is: 301,202.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,755.14 : 1,142,701.98 = 200,789.64 : x
  2. Step 2: Convert to fraction form
    761,755.14/1,142,701.98 = 200,789.64/x
  3. Step 3: Cross multiply
    761,755.14x = 1,142,701.98 × 200,789.64
  4. Step 4: Simplify right side
    761,755.14x = 229,442,719,191.49
  5. Step 5: Solve for x
    x = 229,442,719,191.49/761,755.14
  6. Step 6: Final answer
    x = 301,202.72

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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.