Home / 808,764.13-1,213,301.72-310,089.25

Finding the Fourth Proportional to 808,764.13, 1,213,301.72 and 310,089.25

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Solution

The fourth proportional to 808,764.13, 1,213,301.72 and 310,089.25 is: 465,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,764.13 : 1,213,301.72 = 310,089.25 : x
  2. Step 2: Convert to fraction form
    808,764.13/1,213,301.72 = 310,089.25/x
  3. Step 3: Cross multiply
    808,764.13x = 1,213,301.72 × 310,089.25
  4. Step 4: Simplify right side
    808,764.13x = 376,231,820,378.51
  5. Step 5: Solve for x
    x = 376,231,820,378.51/808,764.13
  6. Step 6: Final answer
    x = 465,193.51

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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.