Home / 758,301.32-1,137,448.74-308,921.96

Finding the Fourth Proportional to 758,301.32, 1,137,448.74 and 308,921.96

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Solution

The fourth proportional to 758,301.32, 1,137,448.74 and 308,921.96 is: 463,381.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,301.32 : 1,137,448.74 = 308,921.96 : x
  2. Step 2: Convert to fraction form
    758,301.32/1,137,448.74 = 308,921.96/x
  3. Step 3: Cross multiply
    758,301.32x = 1,137,448.74 × 308,921.96
  4. Step 4: Simplify right side
    758,301.32x = 351,382,894,160.33
  5. Step 5: Solve for x
    x = 351,382,894,160.33/758,301.32
  6. Step 6: Final answer
    x = 463,381.62

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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.