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Finding the Fourth Proportional to 447,902, 618,104.77 and 246,698

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Solution

The fourth proportional to 447,902, 618,104.77 and 246,698 is: 340,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,902 : 618,104.77 = 246,698 : x
  2. Step 2: Convert to fraction form
    447,902/618,104.77 = 246,698/x
  3. Step 3: Cross multiply
    447,902x = 618,104.77 × 246,698
  4. Step 4: Simplify right side
    447,902x = 152,485,210,549.46
  5. Step 5: Solve for x
    x = 152,485,210,549.46/447,902
  6. Step 6: Final answer
    x = 340,443.25

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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.