Home / 758,406.77-1,137,331.09-308,883.50

Finding the Fourth Proportional to 758,406.77, 1,137,331.09 and 308,883.50

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Solution

The fourth proportional to 758,406.77, 1,137,331.09 and 308,883.50 is: 463,211.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,406.77 : 1,137,331.09 = 308,883.50 : x
  2. Step 2: Convert to fraction form
    758,406.77/1,137,331.09 = 308,883.50/x
  3. Step 3: Cross multiply
    758,406.77x = 1,137,331.09 × 308,883.50
  4. Step 4: Simplify right side
    758,406.77x = 351,302,807,738.02
  5. Step 5: Solve for x
    x = 351,302,807,738.02/758,406.77
  6. Step 6: Final answer
    x = 463,211.59

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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.