Home / 866,743.06-1,300,291.90-298,050.30

Finding the Fourth Proportional to 866,743.06, 1,300,291.90 and 298,050.30

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Solution

The fourth proportional to 866,743.06, 1,300,291.90 and 298,050.30 is: 447,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,743.06 : 1,300,291.90 = 298,050.30 : x
  2. Step 2: Convert to fraction form
    866,743.06/1,300,291.90 = 298,050.30/x
  3. Step 3: Cross multiply
    866,743.06x = 1,300,291.90 × 298,050.30
  4. Step 4: Simplify right side
    866,743.06x = 387,552,388,376.97
  5. Step 5: Solve for x
    x = 387,552,388,376.97/866,743.06
  6. Step 6: Final answer
    x = 447,136.42

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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.