Home / 982,721.16-1,356,045.30-553,149

Finding the Fourth Proportional to 982,721.16, 1,356,045.30 and 553,149

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Solution

The fourth proportional to 982,721.16, 1,356,045.30 and 553,149 is: 763,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,721.16 : 1,356,045.30 = 553,149 : x
  2. Step 2: Convert to fraction form
    982,721.16/1,356,045.30 = 553,149/x
  3. Step 3: Cross multiply
    982,721.16x = 1,356,045.30 × 553,149
  4. Step 4: Simplify right side
    982,721.16x = 750,095,101,649.70
  5. Step 5: Solve for x
    x = 750,095,101,649.70/982,721.16
  6. Step 6: Final answer
    x = 763,283.76

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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.