Home / 942,918.43-1,301,227.35-513,201.64

Finding the Fourth Proportional to 942,918.43, 1,301,227.35 and 513,201.64

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Solution

The fourth proportional to 942,918.43, 1,301,227.35 and 513,201.64 is: 708,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,918.43 : 1,301,227.35 = 513,201.64 : x
  2. Step 2: Convert to fraction form
    942,918.43/1,301,227.35 = 513,201.64/x
  3. Step 3: Cross multiply
    942,918.43x = 1,301,227.35 × 513,201.64
  4. Step 4: Simplify right side
    942,918.43x = 667,792,010,032.85
  5. Step 5: Solve for x
    x = 667,792,010,032.85/942,918.43
  6. Step 6: Final answer
    x = 708,218.22

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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.