Home / 792,284.64-1,188,623.52-393,113.76

Finding the Fourth Proportional to 792,284.64, 1,188,623.52 and 393,113.76

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Solution

The fourth proportional to 792,284.64, 1,188,623.52 and 393,113.76 is: 589,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,284.64 : 1,188,623.52 = 393,113.76 : x
  2. Step 2: Convert to fraction form
    792,284.64/1,188,623.52 = 393,113.76/x
  3. Step 3: Cross multiply
    792,284.64x = 1,188,623.52 × 393,113.76
  4. Step 4: Simplify right side
    792,284.64x = 467,264,261,171.64
  5. Step 5: Solve for x
    x = 467,264,261,171.64/792,284.64
  6. Step 6: Final answer
    x = 589,768.17

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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.