Home / 857,380.24-1,285,807.60-592,840.72

Finding the Fourth Proportional to 857,380.24, 1,285,807.60 and 592,840.72

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Solution

The fourth proportional to 857,380.24, 1,285,807.60 and 592,840.72 is: 889,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,380.24 : 1,285,807.60 = 592,840.72 : x
  2. Step 2: Convert to fraction form
    857,380.24/1,285,807.60 = 592,840.72/x
  3. Step 3: Cross multiply
    857,380.24x = 1,285,807.60 × 592,840.72
  4. Step 4: Simplify right side
    857,380.24x = 762,279,103,365.47
  5. Step 5: Solve for x
    x = 762,279,103,365.47/857,380.24
  6. Step 6: Final answer
    x = 889,079.39

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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.