Home / 875,286.55-1,312,929.83-276,668.12

Finding the Fourth Proportional to 875,286.55, 1,312,929.83 and 276,668.12

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Solution

The fourth proportional to 875,286.55, 1,312,929.83 and 276,668.12 is: 415,002.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,286.55 : 1,312,929.83 = 276,668.12 : x
  2. Step 2: Convert to fraction form
    875,286.55/1,312,929.83 = 276,668.12/x
  3. Step 3: Cross multiply
    875,286.55x = 1,312,929.83 × 276,668.12
  4. Step 4: Simplify right side
    875,286.55x = 363,245,827,758.02
  5. Step 5: Solve for x
    x = 363,245,827,758.02/875,286.55
  6. Step 6: Final answer
    x = 415,002.18

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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.