Home / 827,948.80-1,242,214.80-406,943.20

Finding the Fourth Proportional to 827,948.80, 1,242,214.80 and 406,943.20

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Solution

The fourth proportional to 827,948.80, 1,242,214.80 and 406,943.20 is: 610,558.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,948.80 : 1,242,214.80 = 406,943.20 : x
  2. Step 2: Convert to fraction form
    827,948.80/1,242,214.80 = 406,943.20/x
  3. Step 3: Cross multiply
    827,948.80x = 1,242,214.80 × 406,943.20
  4. Step 4: Simplify right side
    827,948.80x = 505,510,865,799.36
  5. Step 5: Solve for x
    x = 505,510,865,799.36/827,948.80
  6. Step 6: Final answer
    x = 610,558.12

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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.