Home / 718,507.80-1,077,761.52-245,193.12

Finding the Fourth Proportional to 718,507.80, 1,077,761.52 and 245,193.12

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Solution

The fourth proportional to 718,507.80, 1,077,761.52 and 245,193.12 is: 367,789.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,507.80 : 1,077,761.52 = 245,193.12 : x
  2. Step 2: Convert to fraction form
    718,507.80/1,077,761.52 = 245,193.12/x
  3. Step 3: Cross multiply
    718,507.80x = 1,077,761.52 × 245,193.12
  4. Step 4: Simplify right side
    718,507.80x = 264,259,709,704.74
  5. Step 5: Solve for x
    x = 264,259,709,704.74/718,507.80
  6. Step 6: Final answer
    x = 367,789.62

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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.