Home / 941,720.60-1,412,667.30-310,635.80

Finding the Fourth Proportional to 941,720.60, 1,412,667.30 and 310,635.80

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Solution

The fourth proportional to 941,720.60, 1,412,667.30 and 310,635.80 is: 465,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,720.60 : 1,412,667.30 = 310,635.80 : x
  2. Step 2: Convert to fraction form
    941,720.60/1,412,667.30 = 310,635.80/x
  3. Step 3: Cross multiply
    941,720.60x = 1,412,667.30 × 310,635.80
  4. Step 4: Simplify right side
    941,720.60x = 438,825,036,869.34
  5. Step 5: Solve for x
    x = 438,825,036,869.34/941,720.60
  6. Step 6: Final answer
    x = 465,982.20

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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.