Home / 711,645.95-1,067,301.25-262,122.68

Finding the Fourth Proportional to 711,645.95, 1,067,301.25 and 262,122.68

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Solution

The fourth proportional to 711,645.95, 1,067,301.25 and 262,122.68 is: 393,122.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,645.95 : 1,067,301.25 = 262,122.68 : x
  2. Step 2: Convert to fraction form
    711,645.95/1,067,301.25 = 262,122.68/x
  3. Step 3: Cross multiply
    711,645.95x = 1,067,301.25 × 262,122.68
  4. Step 4: Simplify right side
    711,645.95x = 279,763,866,030.30
  5. Step 5: Solve for x
    x = 279,763,866,030.30/711,645.95
  6. Step 6: Final answer
    x = 393,122.26

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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.