Home / 808,216.30-1,211,806.05-335,089.90

Finding the Fourth Proportional to 808,216.30, 1,211,806.05 and 335,089.90

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Solution

The fourth proportional to 808,216.30, 1,211,806.05 and 335,089.90 is: 502,419.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,216.30 : 1,211,806.05 = 335,089.90 : x
  2. Step 2: Convert to fraction form
    808,216.30/1,211,806.05 = 335,089.90/x
  3. Step 3: Cross multiply
    808,216.30x = 1,211,806.05 × 335,089.90
  4. Step 4: Simplify right side
    808,216.30x = 406,063,968,113.90
  5. Step 5: Solve for x
    x = 406,063,968,113.90/808,216.30
  6. Step 6: Final answer
    x = 502,419.92

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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.