Home / 695,917.71-1,043,130.25-455,940.93

Finding the Fourth Proportional to 695,917.71, 1,043,130.25 and 455,940.93

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Solution

The fourth proportional to 695,917.71, 1,043,130.25 and 455,940.93 is: 683,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,917.71 : 1,043,130.25 = 455,940.93 : x
  2. Step 2: Convert to fraction form
    695,917.71/1,043,130.25 = 455,940.93/x
  3. Step 3: Cross multiply
    695,917.71x = 1,043,130.25 × 455,940.93
  4. Step 4: Simplify right side
    695,917.71x = 475,605,780,777.80
  5. Step 5: Solve for x
    x = 475,605,780,777.80/695,917.71
  6. Step 6: Final answer
    x = 683,422.44

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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.