Home / 671,417.12-1,006,870.80-222,003.20

Finding the Fourth Proportional to 671,417.12, 1,006,870.80 and 222,003.20

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Solution

The fourth proportional to 671,417.12, 1,006,870.80 and 222,003.20 is: 332,920.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,417.12 : 1,006,870.80 = 222,003.20 : x
  2. Step 2: Convert to fraction form
    671,417.12/1,006,870.80 = 222,003.20/x
  3. Step 3: Cross multiply
    671,417.12x = 1,006,870.80 × 222,003.20
  4. Step 4: Simplify right side
    671,417.12x = 223,528,539,586.56
  5. Step 5: Solve for x
    x = 223,528,539,586.56/671,417.12
  6. Step 6: Final answer
    x = 332,920.52

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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.