Home / 851,215.19-1,274,570.17-513,804.83

Finding the Fourth Proportional to 851,215.19, 1,274,570.17 and 513,804.83

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Solution

The fourth proportional to 851,215.19, 1,274,570.17 and 513,804.83 is: 769,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,215.19 : 1,274,570.17 = 513,804.83 : x
  2. Step 2: Convert to fraction form
    851,215.19/1,274,570.17 = 513,804.83/x
  3. Step 3: Cross multiply
    851,215.19x = 1,274,570.17 × 513,804.83
  4. Step 4: Simplify right side
    851,215.19x = 654,880,301,862.56
  5. Step 5: Solve for x
    x = 654,880,301,862.56/851,215.19
  6. Step 6: Final answer
    x = 769,347.53

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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.