Home / 684,770.22-1,026,598.68-285,708.33

Finding the Fourth Proportional to 684,770.22, 1,026,598.68 and 285,708.33

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Solution

The fourth proportional to 684,770.22, 1,026,598.68 and 285,708.33 is: 428,330.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,770.22 : 1,026,598.68 = 285,708.33 : x
  2. Step 2: Convert to fraction form
    684,770.22/1,026,598.68 = 285,708.33/x
  3. Step 3: Cross multiply
    684,770.22x = 1,026,598.68 × 285,708.33
  4. Step 4: Simplify right side
    684,770.22x = 293,307,794,443.00
  5. Step 5: Solve for x
    x = 293,307,794,443.00/684,770.22
  6. Step 6: Final answer
    x = 428,330.24

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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.