Home / 982,893.80-1,356,437.10-553,201.76

Finding the Fourth Proportional to 982,893.80, 1,356,437.10 and 553,201.76

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Solution

The fourth proportional to 982,893.80, 1,356,437.10 and 553,201.76 is: 763,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,893.80 : 1,356,437.10 = 553,201.76 : x
  2. Step 2: Convert to fraction form
    982,893.80/1,356,437.10 = 553,201.76/x
  3. Step 3: Cross multiply
    982,893.80x = 1,356,437.10 × 553,201.76
  4. Step 4: Simplify right side
    982,893.80x = 750,383,391,049.30
  5. Step 5: Solve for x
    x = 750,383,391,049.30/982,893.80
  6. Step 6: Final answer
    x = 763,443.00

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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.