Home / 941,554.20-1,412,331.30-310,315.80

Finding the Fourth Proportional to 941,554.20, 1,412,331.30 and 310,315.80

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Solution

The fourth proportional to 941,554.20, 1,412,331.30 and 310,315.80 is: 465,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,554.20 : 1,412,331.30 = 310,315.80 : x
  2. Step 2: Convert to fraction form
    941,554.20/1,412,331.30 = 310,315.80/x
  3. Step 3: Cross multiply
    941,554.20x = 1,412,331.30 × 310,315.80
  4. Step 4: Simplify right side
    941,554.20x = 438,268,717,224.54
  5. Step 5: Solve for x
    x = 438,268,717,224.54/941,554.20
  6. Step 6: Final answer
    x = 465,473.70

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Double scale
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Similar ratio
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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.