Home / 666,759.24-1,000,037.43-217,479.51

Finding the Fourth Proportional to 666,759.24, 1,000,037.43 and 217,479.51

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Solution

The fourth proportional to 666,759.24, 1,000,037.43 and 217,479.51 is: 326,186.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,759.24 : 1,000,037.43 = 217,479.51 : x
  2. Step 2: Convert to fraction form
    666,759.24/1,000,037.43 = 217,479.51/x
  3. Step 3: Cross multiply
    666,759.24x = 1,000,037.43 × 217,479.51
  4. Step 4: Simplify right side
    666,759.24x = 217,487,650,258.06
  5. Step 5: Solve for x
    x = 217,487,650,258.06/666,759.24
  6. Step 6: Final answer
    x = 326,186.18

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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.