Home / 703,487.54-1,055,251.02-438,014.90

Finding the Fourth Proportional to 703,487.54, 1,055,251.02 and 438,014.90

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Solution

The fourth proportional to 703,487.54, 1,055,251.02 and 438,014.90 is: 657,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,487.54 : 1,055,251.02 = 438,014.90 : x
  2. Step 2: Convert to fraction form
    703,487.54/1,055,251.02 = 438,014.90/x
  3. Step 3: Cross multiply
    703,487.54x = 1,055,251.02 × 438,014.90
  4. Step 4: Simplify right side
    703,487.54x = 462,215,670,000.20
  5. Step 5: Solve for x
    x = 462,215,670,000.20/703,487.54
  6. Step 6: Final answer
    x = 657,034.62

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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.