Home / 913,219.08-1,369,814.25-314,185.43

Finding the Fourth Proportional to 913,219.08, 1,369,814.25 and 314,185.43

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Solution

The fourth proportional to 913,219.08, 1,369,814.25 and 314,185.43 is: 471,273.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,219.08 : 1,369,814.25 = 314,185.43 : x
  2. Step 2: Convert to fraction form
    913,219.08/1,369,814.25 = 314,185.43/x
  3. Step 3: Cross multiply
    913,219.08x = 1,369,814.25 × 314,185.43
  4. Step 4: Simplify right side
    913,219.08x = 430,375,683,759.11
  5. Step 5: Solve for x
    x = 430,375,683,759.11/913,219.08
  6. Step 6: Final answer
    x = 471,273.21

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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.