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Finding the Fourth Proportional to 659,563.77, 910,189.08 and 369,175.26

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Solution

The fourth proportional to 659,563.77, 910,189.08 and 369,175.26 is: 509,456.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,563.77 : 910,189.08 = 369,175.26 : x
  2. Step 2: Convert to fraction form
    659,563.77/910,189.08 = 369,175.26/x
  3. Step 3: Cross multiply
    659,563.77x = 910,189.08 × 369,175.26
  4. Step 4: Simplify right side
    659,563.77x = 336,019,290,258.16
  5. Step 5: Solve for x
    x = 336,019,290,258.16/659,563.77
  6. Step 6: Final answer
    x = 509,456.86

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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.