Home / 628,628.92-867,895.50-432,729.88

Finding the Fourth Proportional to 628,628.92, 867,895.50 and 432,729.88

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Solution

The fourth proportional to 628,628.92, 867,895.50 and 432,729.88 is: 597,434.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,628.92 : 867,895.50 = 432,729.88 : x
  2. Step 2: Convert to fraction form
    628,628.92/867,895.50 = 432,729.88/x
  3. Step 3: Cross multiply
    628,628.92x = 867,895.50 × 432,729.88
  4. Step 4: Simplify right side
    628,628.92x = 375,564,315,567.54
  5. Step 5: Solve for x
    x = 375,564,315,567.54/628,628.92
  6. Step 6: Final answer
    x = 597,434.04

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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.