Home / 692,301.12-1,038,443.31-179,920.86

Finding the Fourth Proportional to 692,301.12, 1,038,443.31 and 179,920.86

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Solution

The fourth proportional to 692,301.12, 1,038,443.31 and 179,920.86 is: 269,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,301.12 : 1,038,443.31 = 179,920.86 : x
  2. Step 2: Convert to fraction form
    692,301.12/1,038,443.31 = 179,920.86/x
  3. Step 3: Cross multiply
    692,301.12x = 1,038,443.31 × 179,920.86
  4. Step 4: Simplify right side
    692,301.12x = 186,837,613,396.45
  5. Step 5: Solve for x
    x = 186,837,613,396.45/692,301.12
  6. Step 6: Final answer
    x = 269,879.11

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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.