Home / 709,167.29-1,063,607.91-259,734.71

Finding the Fourth Proportional to 709,167.29, 1,063,607.91 and 259,734.71

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Solution

The fourth proportional to 709,167.29, 1,063,607.91 and 259,734.71 is: 389,549.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,167.29 : 1,063,607.91 = 259,734.71 : x
  2. Step 2: Convert to fraction form
    709,167.29/1,063,607.91 = 259,734.71/x
  3. Step 3: Cross multiply
    709,167.29x = 1,063,607.91 × 259,734.71
  4. Step 4: Simplify right side
    709,167.29x = 276,255,886,739.52
  5. Step 5: Solve for x
    x = 276,255,886,739.52/709,167.29
  6. Step 6: Final answer
    x = 389,549.68

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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.