Home / 788,639.88-1,183,058.10-308,805.72

Finding the Fourth Proportional to 788,639.88, 1,183,058.10 and 308,805.72

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Solution

The fourth proportional to 788,639.88, 1,183,058.10 and 308,805.72 is: 463,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,639.88 : 1,183,058.10 = 308,805.72 : x
  2. Step 2: Convert to fraction form
    788,639.88/1,183,058.10 = 308,805.72/x
  3. Step 3: Cross multiply
    788,639.88x = 1,183,058.10 × 308,805.72
  4. Step 4: Simplify right side
    788,639.88x = 365,335,108,372.33
  5. Step 5: Solve for x
    x = 365,335,108,372.33/788,639.88
  6. Step 6: Final answer
    x = 463,247.06

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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.