Home / 874,240.28-1,206,537.96-511,642.52

Finding the Fourth Proportional to 874,240.28, 1,206,537.96 and 511,642.52

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Solution

The fourth proportional to 874,240.28, 1,206,537.96 and 511,642.52 is: 706,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,240.28 : 1,206,537.96 = 511,642.52 : x
  2. Step 2: Convert to fraction form
    874,240.28/1,206,537.96 = 511,642.52/x
  3. Step 3: Cross multiply
    874,240.28x = 1,206,537.96 × 511,642.52
  4. Step 4: Simplify right side
    874,240.28x = 617,316,122,330.06
  5. Step 5: Solve for x
    x = 617,316,122,330.06/874,240.28
  6. Step 6: Final answer
    x = 706,117.23

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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.