Home / 703,508.81-1,056,675.33-419,753.07

Finding the Fourth Proportional to 703,508.81, 1,056,675.33 and 419,753.07

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Solution

The fourth proportional to 703,508.81, 1,056,675.33 and 419,753.07 is: 630,472.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,508.81 : 1,056,675.33 = 419,753.07 : x
  2. Step 2: Convert to fraction form
    703,508.81/1,056,675.33 = 419,753.07/x
  3. Step 3: Cross multiply
    703,508.81x = 1,056,675.33 × 419,753.07
  4. Step 4: Simplify right side
    703,508.81x = 443,542,713,760.76
  5. Step 5: Solve for x
    x = 443,542,713,760.76/703,508.81
  6. Step 6: Final answer
    x = 630,472.16

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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.