Home / 630,227.50-869,724.20-343,747.50

Finding the Fourth Proportional to 630,227.50, 869,724.20 and 343,747.50

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Solution

The fourth proportional to 630,227.50, 869,724.20 and 343,747.50 is: 474,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,227.50 : 869,724.20 = 343,747.50 : x
  2. Step 2: Convert to fraction form
    630,227.50/869,724.20 = 343,747.50/x
  3. Step 3: Cross multiply
    630,227.50x = 869,724.20 × 343,747.50
  4. Step 4: Simplify right side
    630,227.50x = 298,965,519,439.50
  5. Step 5: Solve for x
    x = 298,965,519,439.50/630,227.50
  6. Step 6: Final answer
    x = 474,377.14

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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.