Home / 757,885.61-1,135,841.23-308,081.07

Finding the Fourth Proportional to 757,885.61, 1,135,841.23 and 308,081.07

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Solution

The fourth proportional to 757,885.61, 1,135,841.23 and 308,081.07 is: 461,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,885.61 : 1,135,841.23 = 308,081.07 : x
  2. Step 2: Convert to fraction form
    757,885.61/1,135,841.23 = 308,081.07/x
  3. Step 3: Cross multiply
    757,885.61x = 1,135,841.23 × 308,081.07
  4. Step 4: Simplify right side
    757,885.61x = 349,931,181,873.62
  5. Step 5: Solve for x
    x = 349,931,181,873.62/757,885.61
  6. Step 6: Final answer
    x = 461,720.31

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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.