Home / 758,074.15-1,137,045.57-308,842.48

Finding the Fourth Proportional to 758,074.15, 1,137,045.57 and 308,842.48

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Solution

The fourth proportional to 758,074.15, 1,137,045.57 and 308,842.48 is: 463,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,074.15 : 1,137,045.57 = 308,842.48 : x
  2. Step 2: Convert to fraction form
    758,074.15/1,137,045.57 = 308,842.48/x
  3. Step 3: Cross multiply
    758,074.15x = 1,137,045.57 × 308,842.48
  4. Step 4: Simplify right side
    758,074.15x = 351,167,973,711.81
  5. Step 5: Solve for x
    x = 351,167,973,711.81/758,074.15
  6. Step 6: Final answer
    x = 463,236.97

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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.