Home / 892,747.07-1,339,452.75-413,207.68

Finding the Fourth Proportional to 892,747.07, 1,339,452.75 and 413,207.68

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Solution

The fourth proportional to 892,747.07, 1,339,452.75 and 413,207.68 is: 619,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,747.07 : 1,339,452.75 = 413,207.68 : x
  2. Step 2: Convert to fraction form
    892,747.07/1,339,452.75 = 413,207.68/x
  3. Step 3: Cross multiply
    892,747.07x = 1,339,452.75 × 413,207.68
  4. Step 4: Simplify right side
    892,747.07x = 553,472,164,009.49
  5. Step 5: Solve for x
    x = 553,472,164,009.49/892,747.07
  6. Step 6: Final answer
    x = 619,965.25

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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.