Home / 689,985.54-1,034,650.53-240,651.81

Finding the Fourth Proportional to 689,985.54, 1,034,650.53 and 240,651.81

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Solution

The fourth proportional to 689,985.54, 1,034,650.53 and 240,651.81 is: 360,863.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,985.54 : 1,034,650.53 = 240,651.81 : x
  2. Step 2: Convert to fraction form
    689,985.54/1,034,650.53 = 240,651.81/x
  3. Step 3: Cross multiply
    689,985.54x = 1,034,650.53 × 240,651.81
  4. Step 4: Simplify right side
    689,985.54x = 248,990,522,761.96
  5. Step 5: Solve for x
    x = 248,990,522,761.96/689,985.54
  6. Step 6: Final answer
    x = 360,863.39

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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.