Home / 671,257.07-1,006,785.60-221,980.30

Finding the Fourth Proportional to 671,257.07, 1,006,785.60 and 221,980.30

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Solution

The fourth proportional to 671,257.07, 1,006,785.60 and 221,980.30 is: 332,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,257.07 : 1,006,785.60 = 221,980.30 : x
  2. Step 2: Convert to fraction form
    671,257.07/1,006,785.60 = 221,980.30/x
  3. Step 3: Cross multiply
    671,257.07x = 1,006,785.60 × 221,980.30
  4. Step 4: Simplify right side
    671,257.07x = 223,486,567,422.93
  5. Step 5: Solve for x
    x = 223,486,567,422.93/671,257.07
  6. Step 6: Final answer
    x = 332,937.37

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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.