Home / 975,911.25-1,347,588.72-613,940.88

Finding the Fourth Proportional to 975,911.25, 1,347,588.72 and 613,940.88

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Solution

The fourth proportional to 975,911.25, 1,347,588.72 and 613,940.88 is: 847,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,911.25 : 1,347,588.72 = 613,940.88 : x
  2. Step 2: Convert to fraction form
    975,911.25/1,347,588.72 = 613,940.88/x
  3. Step 3: Cross multiply
    975,911.25x = 1,347,588.72 × 613,940.88
  4. Step 4: Simplify right side
    975,911.25x = 827,339,804,634.87
  5. Step 5: Solve for x
    x = 827,339,804,634.87/975,911.25
  6. Step 6: Final answer
    x = 847,761.32

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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.