Home / 823,646.60-1,236,161.10-403,281.80

Finding the Fourth Proportional to 823,646.60, 1,236,161.10 and 403,281.80

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Solution

The fourth proportional to 823,646.60, 1,236,161.10 and 403,281.80 is: 605,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,646.60 : 1,236,161.10 = 403,281.80 : x
  2. Step 2: Convert to fraction form
    823,646.60/1,236,161.10 = 403,281.80/x
  3. Step 3: Cross multiply
    823,646.60x = 1,236,161.10 × 403,281.80
  4. Step 4: Simplify right side
    823,646.60x = 498,521,273,497.98
  5. Step 5: Solve for x
    x = 498,521,273,497.98/823,646.60
  6. Step 6: Final answer
    x = 605,261.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.