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Finding the Fourth Proportional to 630,593.56, 870,237.62 and 344,132.12

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Solution

The fourth proportional to 630,593.56, 870,237.62 and 344,132.12 is: 474,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,593.56 : 870,237.62 = 344,132.12 : x
  2. Step 2: Convert to fraction form
    630,593.56/870,237.62 = 344,132.12/x
  3. Step 3: Cross multiply
    630,593.56x = 870,237.62 × 344,132.12
  4. Step 4: Simplify right side
    630,593.56x = 299,476,717,074.35
  5. Step 5: Solve for x
    x = 299,476,717,074.35/630,593.56
  6. Step 6: Final answer
    x = 474,912.43

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1.5x scale

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.