Home / 666,934.35-1,000,450.73-217,642.74

Finding the Fourth Proportional to 666,934.35, 1,000,450.73 and 217,642.74

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Solution

The fourth proportional to 666,934.35, 1,000,450.73 and 217,642.74 is: 326,480.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,934.35 : 1,000,450.73 = 217,642.74 : x
  2. Step 2: Convert to fraction form
    666,934.35/1,000,450.73 = 217,642.74/x
  3. Step 3: Cross multiply
    666,934.35x = 1,000,450.73 × 217,642.74
  4. Step 4: Simplify right side
    666,934.35x = 217,740,832,021.73
  5. Step 5: Solve for x
    x = 217,740,832,021.73/666,934.35
  6. Step 6: Final answer
    x = 326,480.16

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1.5x scale

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.