Home / 755,486.76-1,133,229.87-256,850.76

Finding the Fourth Proportional to 755,486.76, 1,133,229.87 and 256,850.76

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Solution

The fourth proportional to 755,486.76, 1,133,229.87 and 256,850.76 is: 385,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,486.76 : 1,133,229.87 = 256,850.76 : x
  2. Step 2: Convert to fraction form
    755,486.76/1,133,229.87 = 256,850.76/x
  3. Step 3: Cross multiply
    755,486.76x = 1,133,229.87 × 256,850.76
  4. Step 4: Simplify right side
    755,486.76x = 291,070,953,364.20
  5. Step 5: Solve for x
    x = 291,070,953,364.20/755,486.76
  6. Step 6: Final answer
    x = 385,276.05

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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.