Home / 928,178.51-1,392,268.98-254,265.80

Finding the Fourth Proportional to 928,178.51, 1,392,268.98 and 254,265.80

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Solution

The fourth proportional to 928,178.51, 1,392,268.98 and 254,265.80 is: 381,399.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,178.51 : 1,392,268.98 = 254,265.80 : x
  2. Step 2: Convert to fraction form
    928,178.51/1,392,268.98 = 254,265.80/x
  3. Step 3: Cross multiply
    928,178.51x = 1,392,268.98 × 254,265.80
  4. Step 4: Simplify right side
    928,178.51x = 354,006,386,014.88
  5. Step 5: Solve for x
    x = 354,006,386,014.88/928,178.51
  6. Step 6: Final answer
    x = 381,399.03

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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.