Home / 758,220.16-1,137,327.01-308,840.80

Finding the Fourth Proportional to 758,220.16, 1,137,327.01 and 308,840.80

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Solution

The fourth proportional to 758,220.16, 1,137,327.01 and 308,840.80 is: 463,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,220.16 : 1,137,327.01 = 308,840.80 : x
  2. Step 2: Convert to fraction form
    758,220.16/1,137,327.01 = 308,840.80/x
  3. Step 3: Cross multiply
    758,220.16x = 1,137,327.01 × 308,840.80
  4. Step 4: Simplify right side
    758,220.16x = 351,252,983,630.01
  5. Step 5: Solve for x
    x = 351,252,983,630.01/758,220.16
  6. Step 6: Final answer
    x = 463,259.88

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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.