Home / 497,846.10-687,089.34-304,213.98

Finding the Fourth Proportional to 497,846.10, 687,089.34 and 304,213.98

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Solution

The fourth proportional to 497,846.10, 687,089.34 and 304,213.98 is: 419,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,846.10 : 687,089.34 = 304,213.98 : x
  2. Step 2: Convert to fraction form
    497,846.10/687,089.34 = 304,213.98/x
  3. Step 3: Cross multiply
    497,846.10x = 687,089.34 × 304,213.98
  4. Step 4: Simplify right side
    497,846.10x = 209,022,182,736.97
  5. Step 5: Solve for x
    x = 209,022,182,736.97/497,846.10
  6. Step 6: Final answer
    x = 419,853.01

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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.