Home / 866,749.30-1,300,301.30-298,056.53

Finding the Fourth Proportional to 866,749.30, 1,300,301.30 and 298,056.53

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Solution

The fourth proportional to 866,749.30, 1,300,301.30 and 298,056.53 is: 447,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,749.30 : 1,300,301.30 = 298,056.53 : x
  2. Step 2: Convert to fraction form
    866,749.30/1,300,301.30 = 298,056.53/x
  3. Step 3: Cross multiply
    866,749.30x = 1,300,301.30 × 298,056.53
  4. Step 4: Simplify right side
    866,749.30x = 387,563,297,428.38
  5. Step 5: Solve for x
    x = 387,563,297,428.38/866,749.30
  6. Step 6: Final answer
    x = 447,145.79

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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.