Home / 982,490.20-1,355,822.58-552,769.30

Finding the Fourth Proportional to 982,490.20, 1,355,822.58 and 552,769.30

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Solution

The fourth proportional to 982,490.20, 1,355,822.58 and 552,769.30 is: 762,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,490.20 : 1,355,822.58 = 552,769.30 : x
  2. Step 2: Convert to fraction form
    982,490.20/1,355,822.58 = 552,769.30/x
  3. Step 3: Cross multiply
    982,490.20x = 1,355,822.58 × 552,769.30
  4. Step 4: Simplify right side
    982,490.20x = 749,457,098,470.79
  5. Step 5: Solve for x
    x = 749,457,098,470.79/982,490.20
  6. Step 6: Final answer
    x = 762,813.82

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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.