Home / 725,144.40-1,087,862.40-607,629.60

Finding the Fourth Proportional to 725,144.40, 1,087,862.40 and 607,629.60

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Solution

The fourth proportional to 725,144.40, 1,087,862.40 and 607,629.60 is: 911,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,144.40 : 1,087,862.40 = 607,629.60 : x
  2. Step 2: Convert to fraction form
    725,144.40/1,087,862.40 = 607,629.60/x
  3. Step 3: Cross multiply
    725,144.40x = 1,087,862.40 × 607,629.60
  4. Step 4: Simplify right side
    725,144.40x = 661,017,394,967.04
  5. Step 5: Solve for x
    x = 661,017,394,967.04/725,144.40
  6. Step 6: Final answer
    x = 911,566.57

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1.5x scale

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.