Home / 913,816.41-1,370,934.82-306,685.29

Finding the Fourth Proportional to 913,816.41, 1,370,934.82 and 306,685.29

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Solution

The fourth proportional to 913,816.41, 1,370,934.82 and 306,685.29 is: 460,098.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,816.41 : 1,370,934.82 = 306,685.29 : x
  2. Step 2: Convert to fraction form
    913,816.41/1,370,934.82 = 306,685.29/x
  3. Step 3: Cross multiply
    913,816.41x = 1,370,934.82 × 306,685.29
  4. Step 4: Simplify right side
    913,816.41x = 420,445,548,367.16
  5. Step 5: Solve for x
    x = 420,445,548,367.16/913,816.41
  6. Step 6: Final answer
    x = 460,098.49

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1.5x scale

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.