Home / 759,656.73-1,137,556.71-455,859.87

Finding the Fourth Proportional to 759,656.73, 1,137,556.71 and 455,859.87

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Solution

The fourth proportional to 759,656.73, 1,137,556.71 and 455,859.87 is: 682,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,656.73 : 1,137,556.71 = 455,859.87 : x
  2. Step 2: Convert to fraction form
    759,656.73/1,137,556.71 = 455,859.87/x
  3. Step 3: Cross multiply
    759,656.73x = 1,137,556.71 × 455,859.87
  4. Step 4: Simplify right side
    759,656.73x = 518,566,453,938.23
  5. Step 5: Solve for x
    x = 518,566,453,938.23/759,656.73
  6. Step 6: Final answer
    x = 682,632.61

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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.