Home / 913,169.60-1,369,941.24-314,052.80

Finding the Fourth Proportional to 913,169.60, 1,369,941.24 and 314,052.80

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Solution

The fourth proportional to 913,169.60, 1,369,941.24 and 314,052.80 is: 471,143.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,169.60 : 1,369,941.24 = 314,052.80 : x
  2. Step 2: Convert to fraction form
    913,169.60/1,369,941.24 = 314,052.80/x
  3. Step 3: Cross multiply
    913,169.60x = 1,369,941.24 × 314,052.80
  4. Step 4: Simplify right side
    913,169.60x = 430,233,882,257.47
  5. Step 5: Solve for x
    x = 430,233,882,257.47/913,169.60
  6. Step 6: Final answer
    x = 471,143.46

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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.