Home / 680,482.26-1,020,132.90-343,241.39

Finding the Fourth Proportional to 680,482.26, 1,020,132.90 and 343,241.39

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Solution

The fourth proportional to 680,482.26, 1,020,132.90 and 343,241.39 is: 514,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,482.26 : 1,020,132.90 = 343,241.39 : x
  2. Step 2: Convert to fraction form
    680,482.26/1,020,132.90 = 343,241.39/x
  3. Step 3: Cross multiply
    680,482.26x = 1,020,132.90 × 343,241.39
  4. Step 4: Simplify right side
    680,482.26x = 350,151,837,131.06
  5. Step 5: Solve for x
    x = 350,151,837,131.06/680,482.26
  6. Step 6: Final answer
    x = 514,564.24

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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.