Home / 487,675.17-672,992.73-272,818.83

Finding the Fourth Proportional to 487,675.17, 672,992.73 and 272,818.83

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Solution

The fourth proportional to 487,675.17, 672,992.73 and 272,818.83 is: 376,490.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,675.17 : 672,992.73 = 272,818.83 : x
  2. Step 2: Convert to fraction form
    487,675.17/672,992.73 = 272,818.83/x
  3. Step 3: Cross multiply
    487,675.17x = 672,992.73 × 272,818.83
  4. Step 4: Simplify right side
    487,675.17x = 183,605,089,197.11
  5. Step 5: Solve for x
    x = 183,605,089,197.11/487,675.17
  6. Step 6: Final answer
    x = 376,490.54

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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.