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Finding the Fourth Proportional to 636,526.18, 878,388.62 and 350,046.27

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Solution

The fourth proportional to 636,526.18, 878,388.62 and 350,046.27 is: 483,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,526.18 : 878,388.62 = 350,046.27 : x
  2. Step 2: Convert to fraction form
    636,526.18/878,388.62 = 350,046.27/x
  3. Step 3: Cross multiply
    636,526.18x = 878,388.62 × 350,046.27
  4. Step 4: Simplify right side
    636,526.18x = 307,476,660,041.45
  5. Step 5: Solve for x
    x = 307,476,660,041.45/636,526.18
  6. Step 6: Final answer
    x = 483,054.22

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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.