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Finding the Fourth Proportional to 630,611.88, 870,262.88 and 344,150.39

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Solution

The fourth proportional to 630,611.88, 870,262.88 and 344,150.39 is: 474,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,611.88 : 870,262.88 = 344,150.39 : x
  2. Step 2: Convert to fraction form
    630,611.88/870,262.88 = 344,150.39/x
  3. Step 3: Cross multiply
    630,611.88x = 870,262.88 × 344,150.39
  4. Step 4: Simplify right side
    630,611.88x = 299,501,304,342.83
  5. Step 5: Solve for x
    x = 299,501,304,342.83/630,611.88
  6. Step 6: Final answer
    x = 474,937.62

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.