Home / 829,399.20-1,244,098.80-563,978.40

Finding the Fourth Proportional to 829,399.20, 1,244,098.80 and 563,978.40

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Solution

The fourth proportional to 829,399.20, 1,244,098.80 and 563,978.40 is: 845,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,399.20 : 1,244,098.80 = 563,978.40 : x
  2. Step 2: Convert to fraction form
    829,399.20/1,244,098.80 = 563,978.40/x
  3. Step 3: Cross multiply
    829,399.20x = 1,244,098.80 × 563,978.40
  4. Step 4: Simplify right side
    829,399.20x = 701,644,850,665.92
  5. Step 5: Solve for x
    x = 701,644,850,665.92/829,399.20
  6. Step 6: Final answer
    x = 845,967.60

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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.