Home / 670,495.59-1,005,953.31-221,531.85

Finding the Fourth Proportional to 670,495.59, 1,005,953.31 and 221,531.85

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Solution

The fourth proportional to 670,495.59, 1,005,953.31 and 221,531.85 is: 332,367.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,495.59 : 1,005,953.31 = 221,531.85 : x
  2. Step 2: Convert to fraction form
    670,495.59/1,005,953.31 = 221,531.85/x
  3. Step 3: Cross multiply
    670,495.59x = 1,005,953.31 × 221,531.85
  4. Step 4: Simplify right side
    670,495.59x = 222,850,697,777.92
  5. Step 5: Solve for x
    x = 222,850,697,777.92/670,495.59
  6. Step 6: Final answer
    x = 332,367.13

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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.