Home / 945,016.38-1,417,081.23-345,558.38

Finding the Fourth Proportional to 945,016.38, 1,417,081.23 and 345,558.38

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Solution

The fourth proportional to 945,016.38, 1,417,081.23 and 345,558.38 is: 518,175.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,016.38 : 1,417,081.23 = 345,558.38 : x
  2. Step 2: Convert to fraction form
    945,016.38/1,417,081.23 = 345,558.38/x
  3. Step 3: Cross multiply
    945,016.38x = 1,417,081.23 × 345,558.38
  4. Step 4: Simplify right side
    945,016.38x = 489,684,287,081.80
  5. Step 5: Solve for x
    x = 489,684,287,081.80/945,016.38
  6. Step 6: Final answer
    x = 518,175.45

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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.