Home / 644,826.40-968,017.20-360,743.20

Finding the Fourth Proportional to 644,826.40, 968,017.20 and 360,743.20

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Solution

The fourth proportional to 644,826.40, 968,017.20 and 360,743.20 is: 541,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,826.40 : 968,017.20 = 360,743.20 : x
  2. Step 2: Convert to fraction form
    644,826.40/968,017.20 = 360,743.20/x
  3. Step 3: Cross multiply
    644,826.40x = 968,017.20 × 360,743.20
  4. Step 4: Simplify right side
    644,826.40x = 349,205,622,383.04
  5. Step 5: Solve for x
    x = 349,205,622,383.04/644,826.40
  6. Step 6: Final answer
    x = 541,549.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.