Home / 670,882.60-1,006,056.60-221,478.40

Finding the Fourth Proportional to 670,882.60, 1,006,056.60 and 221,478.40

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Solution

The fourth proportional to 670,882.60, 1,006,056.60 and 221,478.40 is: 332,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,882.60 : 1,006,056.60 = 221,478.40 : x
  2. Step 2: Convert to fraction form
    670,882.60/1,006,056.60 = 221,478.40/x
  3. Step 3: Cross multiply
    670,882.60x = 1,006,056.60 × 221,478.40
  4. Step 4: Simplify right side
    670,882.60x = 222,819,806,077.44
  5. Step 5: Solve for x
    x = 222,819,806,077.44/670,882.60
  6. Step 6: Final answer
    x = 332,129.36

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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.