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Finding the Fourth Proportional to 627,165.65, 936,009.03 and 566,631.32

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Solution

The fourth proportional to 627,165.65, 936,009.03 and 566,631.32 is: 845,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,165.65 : 936,009.03 = 566,631.32 : x
  2. Step 2: Convert to fraction form
    627,165.65/936,009.03 = 566,631.32/x
  3. Step 3: Cross multiply
    627,165.65x = 936,009.03 × 566,631.32
  4. Step 4: Simplify right side
    627,165.65x = 530,372,029,645.64
  5. Step 5: Solve for x
    x = 530,372,029,645.64/627,165.65
  6. Step 6: Final answer
    x = 845,664.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.