Home / 982,944.24-1,356,315.52-553,198.72

Finding the Fourth Proportional to 982,944.24, 1,356,315.52 and 553,198.72

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Solution

The fourth proportional to 982,944.24, 1,356,315.52 and 553,198.72 is: 763,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,944.24 : 1,356,315.52 = 553,198.72 : x
  2. Step 2: Convert to fraction form
    982,944.24/1,356,315.52 = 553,198.72/x
  3. Step 3: Cross multiply
    982,944.24x = 1,356,315.52 × 553,198.72
  4. Step 4: Simplify right side
    982,944.24x = 750,312,009,580.13
  5. Step 5: Solve for x
    x = 750,312,009,580.13/982,944.24
  6. Step 6: Final answer
    x = 763,331.20

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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.