Home / 578,138.85-797,736.44-363,125.76

Finding the Fourth Proportional to 578,138.85, 797,736.44 and 363,125.76

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Solution

The fourth proportional to 578,138.85, 797,736.44 and 363,125.76 is: 501,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,138.85 : 797,736.44 = 363,125.76 : x
  2. Step 2: Convert to fraction form
    578,138.85/797,736.44 = 363,125.76/x
  3. Step 3: Cross multiply
    578,138.85x = 797,736.44 × 363,125.76
  4. Step 4: Simplify right side
    578,138.85x = 289,678,649,239.07
  5. Step 5: Solve for x
    x = 289,678,649,239.07/578,138.85
  6. Step 6: Final answer
    x = 501,053.77

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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.