Home / 989,489.25-1,365,495.59-559,760.25

Finding the Fourth Proportional to 989,489.25, 1,365,495.59 and 559,760.25

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Solution

The fourth proportional to 989,489.25, 1,365,495.59 and 559,760.25 is: 772,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,489.25 : 1,365,495.59 = 559,760.25 : x
  2. Step 2: Convert to fraction form
    989,489.25/1,365,495.59 = 559,760.25/x
  3. Step 3: Cross multiply
    989,489.25x = 1,365,495.59 × 559,760.25
  4. Step 4: Simplify right side
    989,489.25x = 764,350,150,033.50
  5. Step 5: Solve for x
    x = 764,350,150,033.50/989,489.25
  6. Step 6: Final answer
    x = 772,469.38

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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.