Home / 711,792.29-1,067,468.74-206,390.52

Finding the Fourth Proportional to 711,792.29, 1,067,468.74 and 206,390.52

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Solution

The fourth proportional to 711,792.29, 1,067,468.74 and 206,390.52 is: 309,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,792.29 : 1,067,468.74 = 206,390.52 : x
  2. Step 2: Convert to fraction form
    711,792.29/1,067,468.74 = 206,390.52/x
  3. Step 3: Cross multiply
    711,792.29x = 1,067,468.74 × 206,390.52
  4. Step 4: Simplify right side
    711,792.29x = 220,315,428,332.35
  5. Step 5: Solve for x
    x = 220,315,428,332.35/711,792.29
  6. Step 6: Final answer
    x = 309,522.08

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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.