Home / 680,601.16-1,021,532.59-343,878.46

Finding the Fourth Proportional to 680,601.16, 1,021,532.59 and 343,878.46

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Solution

The fourth proportional to 680,601.16, 1,021,532.59 and 343,878.46 is: 516,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,601.16 : 1,021,532.59 = 343,878.46 : x
  2. Step 2: Convert to fraction form
    680,601.16/1,021,532.59 = 343,878.46/x
  3. Step 3: Cross multiply
    680,601.16x = 1,021,532.59 × 343,878.46
  4. Step 4: Simplify right side
    680,601.16x = 351,283,055,595.78
  5. Step 5: Solve for x
    x = 351,283,055,595.78/680,601.16
  6. Step 6: Final answer
    x = 516,136.44

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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.