Home / 753,815.14-1,040,507.31-482,613.47

Finding the Fourth Proportional to 753,815.14, 1,040,507.31 and 482,613.47

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Solution

The fourth proportional to 753,815.14, 1,040,507.31 and 482,613.47 is: 666,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,815.14 : 1,040,507.31 = 482,613.47 : x
  2. Step 2: Convert to fraction form
    753,815.14/1,040,507.31 = 482,613.47/x
  3. Step 3: Cross multiply
    753,815.14x = 1,040,507.31 × 482,613.47
  4. Step 4: Simplify right side
    753,815.14x = 502,162,843,948.63
  5. Step 5: Solve for x
    x = 502,162,843,948.63/753,815.14
  6. Step 6: Final answer
    x = 666,161.79

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1.5x scale

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.