Home / 891,415.68-1,335,866.40-492,236.16

Finding the Fourth Proportional to 891,415.68, 1,335,866.40 and 492,236.16

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Solution

The fourth proportional to 891,415.68, 1,335,866.40 and 492,236.16 is: 737,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,415.68 : 1,335,866.40 = 492,236.16 : x
  2. Step 2: Convert to fraction form
    891,415.68/1,335,866.40 = 492,236.16/x
  3. Step 3: Cross multiply
    891,415.68x = 1,335,866.40 × 492,236.16
  4. Step 4: Simplify right side
    891,415.68x = 657,561,747,009.02
  5. Step 5: Solve for x
    x = 657,561,747,009.02/891,415.68
  6. Step 6: Final answer
    x = 737,660.06

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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.