Home / 666,934.85-1,000,451.48-217,643.24

Finding the Fourth Proportional to 666,934.85, 1,000,451.48 and 217,643.24

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Solution

The fourth proportional to 666,934.85, 1,000,451.48 and 217,643.24 is: 326,480.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,934.85 : 1,000,451.48 = 217,643.24 : x
  2. Step 2: Convert to fraction form
    666,934.85/1,000,451.48 = 217,643.24/x
  3. Step 3: Cross multiply
    666,934.85x = 1,000,451.48 × 217,643.24
  4. Step 4: Simplify right side
    666,934.85x = 217,741,495,479.52
  5. Step 5: Solve for x
    x = 217,741,495,479.52/666,934.85
  6. Step 6: Final answer
    x = 326,480.91

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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.