Home / 989,425.44-1,365,407.55-559,696.41

Finding the Fourth Proportional to 989,425.44, 1,365,407.55 and 559,696.41

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Solution

The fourth proportional to 989,425.44, 1,365,407.55 and 559,696.41 is: 772,381.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,425.44 : 1,365,407.55 = 559,696.41 : x
  2. Step 2: Convert to fraction form
    989,425.44/1,365,407.55 = 559,696.41/x
  3. Step 3: Cross multiply
    989,425.44x = 1,365,407.55 × 559,696.41
  4. Step 4: Simplify right side
    989,425.44x = 764,213,703,921.90
  5. Step 5: Solve for x
    x = 764,213,703,921.90/989,425.44
  6. Step 6: Final answer
    x = 772,381.30

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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.