Home / 670,701.60-1,006,052.40-221,491.80

Finding the Fourth Proportional to 670,701.60, 1,006,052.40 and 221,491.80

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Solution

The fourth proportional to 670,701.60, 1,006,052.40 and 221,491.80 is: 332,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,701.60 : 1,006,052.40 = 221,491.80 : x
  2. Step 2: Convert to fraction form
    670,701.60/1,006,052.40 = 221,491.80/x
  3. Step 3: Cross multiply
    670,701.60x = 1,006,052.40 × 221,491.80
  4. Step 4: Simplify right side
    670,701.60x = 222,832,356,970.32
  5. Step 5: Solve for x
    x = 222,832,356,970.32/670,701.60
  6. Step 6: Final answer
    x = 332,237.70

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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.