Home / 723,679.56-998,024.22-451,772.69

Finding the Fourth Proportional to 723,679.56, 998,024.22 and 451,772.69

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Solution

The fourth proportional to 723,679.56, 998,024.22 and 451,772.69 is: 623,038.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,679.56 : 998,024.22 = 451,772.69 : x
  2. Step 2: Convert to fraction form
    723,679.56/998,024.22 = 451,772.69/x
  3. Step 3: Cross multiply
    723,679.56x = 998,024.22 × 451,772.69
  4. Step 4: Simplify right side
    723,679.56x = 450,880,081,564.43
  5. Step 5: Solve for x
    x = 450,880,081,564.43/723,679.56
  6. Step 6: Final answer
    x = 623,038.30

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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.