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Finding the Fourth Proportional to 659,952.82, 910,264.33 and 605,679.86

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Solution

The fourth proportional to 659,952.82, 910,264.33 and 605,679.86 is: 835,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,952.82 : 910,264.33 = 605,679.86 : x
  2. Step 2: Convert to fraction form
    659,952.82/910,264.33 = 605,679.86/x
  3. Step 3: Cross multiply
    659,952.82x = 910,264.33 × 605,679.86
  4. Step 4: Simplify right side
    659,952.82x = 551,328,771,957.39
  5. Step 5: Solve for x
    x = 551,328,771,957.39/659,952.82
  6. Step 6: Final answer
    x = 835,406.34

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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.