Home / 757,891.89-1,135,853.20-308,088.85

Finding the Fourth Proportional to 757,891.89, 1,135,853.20 and 308,088.85

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Solution

The fourth proportional to 757,891.89, 1,135,853.20 and 308,088.85 is: 461,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,891.89 : 1,135,853.20 = 308,088.85 : x
  2. Step 2: Convert to fraction form
    757,891.89/1,135,853.20 = 308,088.85/x
  3. Step 3: Cross multiply
    757,891.89x = 1,135,853.20 × 308,088.85
  4. Step 4: Simplify right side
    757,891.89x = 349,943,706,156.82
  5. Step 5: Solve for x
    x = 349,943,706,156.82/757,891.89
  6. Step 6: Final answer
    x = 461,733.01

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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.