Home / 738,961.56-1,019,778.36-432,964.80

Finding the Fourth Proportional to 738,961.56, 1,019,778.36 and 432,964.80

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Solution

The fourth proportional to 738,961.56, 1,019,778.36 and 432,964.80 is: 597,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,961.56 : 1,019,778.36 = 432,964.80 : x
  2. Step 2: Convert to fraction form
    738,961.56/1,019,778.36 = 432,964.80/x
  3. Step 3: Cross multiply
    738,961.56x = 1,019,778.36 × 432,964.80
  4. Step 4: Simplify right side
    738,961.56x = 441,528,133,681.73
  5. Step 5: Solve for x
    x = 441,528,133,681.73/738,961.56
  6. Step 6: Final answer
    x = 597,498.11

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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.