Home / 792,132.90-1,188,308.70-286,571.40

Finding the Fourth Proportional to 792,132.90, 1,188,308.70 and 286,571.40

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Solution

The fourth proportional to 792,132.90, 1,188,308.70 and 286,571.40 is: 429,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,132.90 : 1,188,308.70 = 286,571.40 : x
  2. Step 2: Convert to fraction form
    792,132.90/1,188,308.70 = 286,571.40/x
  3. Step 3: Cross multiply
    792,132.90x = 1,188,308.70 × 286,571.40
  4. Step 4: Simplify right side
    792,132.90x = 340,535,287,791.18
  5. Step 5: Solve for x
    x = 340,535,287,791.18/792,132.90
  6. Step 6: Final answer
    x = 429,896.66

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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.