Home / 694,274.11-1,041,036.66-314,987.87

Finding the Fourth Proportional to 694,274.11, 1,041,036.66 and 314,987.87

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Solution

The fourth proportional to 694,274.11, 1,041,036.66 and 314,987.87 is: 472,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,274.11 : 1,041,036.66 = 314,987.87 : x
  2. Step 2: Convert to fraction form
    694,274.11/1,041,036.66 = 314,987.87/x
  3. Step 3: Cross multiply
    694,274.11x = 1,041,036.66 × 314,987.87
  4. Step 4: Simplify right side
    694,274.11x = 327,913,922,727.91
  5. Step 5: Solve for x
    x = 327,913,922,727.91/694,274.11
  6. Step 6: Final answer
    x = 472,311.90

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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.