Home / 982,491.70-1,355,824.65-552,770.80

Finding the Fourth Proportional to 982,491.70, 1,355,824.65 and 552,770.80

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Solution

The fourth proportional to 982,491.70, 1,355,824.65 and 552,770.80 is: 762,815.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,491.70 : 1,355,824.65 = 552,770.80 : x
  2. Step 2: Convert to fraction form
    982,491.70/1,355,824.65 = 552,770.80/x
  3. Step 3: Cross multiply
    982,491.70x = 1,355,824.65 × 552,770.80
  4. Step 4: Simplify right side
    982,491.70x = 749,460,276,440.22
  5. Step 5: Solve for x
    x = 749,460,276,440.22/982,491.70
  6. Step 6: Final answer
    x = 762,815.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.