Home / 680,236.26-1,020,748.62-343,303.26

Finding the Fourth Proportional to 680,236.26, 1,020,748.62 and 343,303.26

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Solution

The fourth proportional to 680,236.26, 1,020,748.62 and 343,303.26 is: 515,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,236.26 : 1,020,748.62 = 343,303.26 : x
  2. Step 2: Convert to fraction form
    680,236.26/1,020,748.62 = 343,303.26/x
  3. Step 3: Cross multiply
    680,236.26x = 1,020,748.62 × 343,303.26
  4. Step 4: Simplify right side
    680,236.26x = 350,426,328,886.50
  5. Step 5: Solve for x
    x = 350,426,328,886.50/680,236.26
  6. Step 6: Final answer
    x = 515,153.85

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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.