Home / 792,603.61-1,188,891.64-319,276.87

Finding the Fourth Proportional to 792,603.61, 1,188,891.64 and 319,276.87

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Solution

The fourth proportional to 792,603.61, 1,188,891.64 and 319,276.87 is: 478,909.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,603.61 : 1,188,891.64 = 319,276.87 : x
  2. Step 2: Convert to fraction form
    792,603.61/1,188,891.64 = 319,276.87/x
  3. Step 3: Cross multiply
    792,603.61x = 1,188,891.64 × 319,276.87
  4. Step 4: Simplify right side
    792,603.61x = 379,585,601,588.37
  5. Step 5: Solve for x
    x = 379,585,601,588.37/792,603.61
  6. Step 6: Final answer
    x = 478,909.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.