Home / 864,000.47-1,192,321.40-482,027.37

Finding the Fourth Proportional to 864,000.47, 1,192,321.40 and 482,027.37

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Solution

The fourth proportional to 864,000.47, 1,192,321.40 and 482,027.37 is: 665,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,000.47 : 1,192,321.40 = 482,027.37 : x
  2. Step 2: Convert to fraction form
    864,000.47/1,192,321.40 = 482,027.37/x
  3. Step 3: Cross multiply
    864,000.47x = 1,192,321.40 × 482,027.37
  4. Step 4: Simplify right side
    864,000.47x = 574,731,546,226.58
  5. Step 5: Solve for x
    x = 574,731,546,226.58/864,000.47
  6. Step 6: Final answer
    x = 665,198.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.