Home / 497,848.10-687,092.10-304,215.98

Finding the Fourth Proportional to 497,848.10, 687,092.10 and 304,215.98

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Solution

The fourth proportional to 497,848.10, 687,092.10 and 304,215.98 is: 419,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,848.10 : 687,092.10 = 304,215.98 : x
  2. Step 2: Convert to fraction form
    497,848.10/687,092.10 = 304,215.98/x
  3. Step 3: Cross multiply
    497,848.10x = 687,092.10 × 304,215.98
  4. Step 4: Simplify right side
    497,848.10x = 209,024,396,551.76
  5. Step 5: Solve for x
    x = 209,024,396,551.76/497,848.10
  6. Step 6: Final answer
    x = 419,855.77

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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.