Home / 982,935.28-1,356,494.34-553,243.24

Finding the Fourth Proportional to 982,935.28, 1,356,494.34 and 553,243.24

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Solution

The fourth proportional to 982,935.28, 1,356,494.34 and 553,243.24 is: 763,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,935.28 : 1,356,494.34 = 553,243.24 : x
  2. Step 2: Convert to fraction form
    982,935.28/1,356,494.34 = 553,243.24/x
  3. Step 3: Cross multiply
    982,935.28x = 1,356,494.34 × 553,243.24
  4. Step 4: Simplify right side
    982,935.28x = 750,471,323,703.26
  5. Step 5: Solve for x
    x = 750,471,323,703.26/982,935.28
  6. Step 6: Final answer
    x = 763,500.24

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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.