Home / 499,127.80-688,796.74-272,773.32

Finding the Fourth Proportional to 499,127.80, 688,796.74 and 272,773.32

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Solution

The fourth proportional to 499,127.80, 688,796.74 and 272,773.32 is: 376,427.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,127.80 : 688,796.74 = 272,773.32 : x
  2. Step 2: Convert to fraction form
    499,127.80/688,796.74 = 272,773.32/x
  3. Step 3: Cross multiply
    499,127.80x = 688,796.74 × 272,773.32
  4. Step 4: Simplify right side
    499,127.80x = 187,885,373,574.98
  5. Step 5: Solve for x
    x = 187,885,373,574.98/499,127.80
  6. Step 6: Final answer
    x = 376,427.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.