Home / 808,615.80-1,213,215.30-335,446.20

Finding the Fourth Proportional to 808,615.80, 1,213,215.30 and 335,446.20

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Solution

The fourth proportional to 808,615.80, 1,213,215.30 and 335,446.20 is: 503,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,615.80 : 1,213,215.30 = 335,446.20 : x
  2. Step 2: Convert to fraction form
    808,615.80/1,213,215.30 = 335,446.20/x
  3. Step 3: Cross multiply
    808,615.80x = 1,213,215.30 × 335,446.20
  4. Step 4: Simplify right side
    808,615.80x = 406,968,462,166.86
  5. Step 5: Solve for x
    x = 406,968,462,166.86/808,615.80
  6. Step 6: Final answer
    x = 503,290.27

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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.