Home / 772,204.28-1,158,460.85-266,783.72

Finding the Fourth Proportional to 772,204.28, 1,158,460.85 and 266,783.72

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Solution

The fourth proportional to 772,204.28, 1,158,460.85 and 266,783.72 is: 400,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,204.28 : 1,158,460.85 = 266,783.72 : x
  2. Step 2: Convert to fraction form
    772,204.28/1,158,460.85 = 266,783.72/x
  3. Step 3: Cross multiply
    772,204.28x = 1,158,460.85 × 266,783.72
  4. Step 4: Simplify right side
    772,204.28x = 309,058,489,912.02
  5. Step 5: Solve for x
    x = 309,058,489,912.02/772,204.28
  6. Step 6: Final answer
    x = 400,228.93

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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.