Home / 866,744.06-1,300,293.40-298,051.30

Finding the Fourth Proportional to 866,744.06, 1,300,293.40 and 298,051.30

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Solution

The fourth proportional to 866,744.06, 1,300,293.40 and 298,051.30 is: 447,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,744.06 : 1,300,293.40 = 298,051.30 : x
  2. Step 2: Convert to fraction form
    866,744.06/1,300,293.40 = 298,051.30/x
  3. Step 3: Cross multiply
    866,744.06x = 1,300,293.40 × 298,051.30
  4. Step 4: Simplify right side
    866,744.06x = 387,554,138,251.42
  5. Step 5: Solve for x
    x = 387,554,138,251.42/866,744.06
  6. Step 6: Final answer
    x = 447,137.92

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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.