Home / 792,866.55-1,188,246.83-432,111.18

Finding the Fourth Proportional to 792,866.55, 1,188,246.83 and 432,111.18

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Solution

The fourth proportional to 792,866.55, 1,188,246.83 and 432,111.18 is: 647,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,866.55 : 1,188,246.83 = 432,111.18 : x
  2. Step 2: Convert to fraction form
    792,866.55/1,188,246.83 = 432,111.18/x
  3. Step 3: Cross multiply
    792,866.55x = 1,188,246.83 × 432,111.18
  4. Step 4: Simplify right side
    792,866.55x = 513,454,737,682.00
  5. Step 5: Solve for x
    x = 513,454,737,682.00/792,866.55
  6. Step 6: Final answer
    x = 647,592.89

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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.