Home / 792,353.25-1,188,622.31-287,152.20

Finding the Fourth Proportional to 792,353.25, 1,188,622.31 and 287,152.20

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Solution

The fourth proportional to 792,353.25, 1,188,622.31 and 287,152.20 is: 430,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,353.25 : 1,188,622.31 = 287,152.20 : x
  2. Step 2: Convert to fraction form
    792,353.25/1,188,622.31 = 287,152.20/x
  3. Step 3: Cross multiply
    792,353.25x = 1,188,622.31 × 287,152.20
  4. Step 4: Simplify right side
    792,353.25x = 341,315,509,849.82
  5. Step 5: Solve for x
    x = 341,315,509,849.82/792,353.25
  6. Step 6: Final answer
    x = 430,761.80

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1.5x scale

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.