Home / 681,021.51-1,021,591.02-175,578.20

Finding the Fourth Proportional to 681,021.51, 1,021,591.02 and 175,578.20

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Solution

The fourth proportional to 681,021.51, 1,021,591.02 and 175,578.20 is: 263,382.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,021.51 : 1,021,591.02 = 175,578.20 : x
  2. Step 2: Convert to fraction form
    681,021.51/1,021,591.02 = 175,578.20/x
  3. Step 3: Cross multiply
    681,021.51x = 1,021,591.02 × 175,578.20
  4. Step 4: Simplify right side
    681,021.51x = 179,369,112,427.76
  5. Step 5: Solve for x
    x = 179,369,112,427.76/681,021.51
  6. Step 6: Final answer
    x = 263,382.45

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Double scale
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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.