Home / 828,428.97-1,143,208.82-501,935.28

Finding the Fourth Proportional to 828,428.97, 1,143,208.82 and 501,935.28

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Solution

The fourth proportional to 828,428.97, 1,143,208.82 and 501,935.28 is: 692,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,428.97 : 1,143,208.82 = 501,935.28 : x
  2. Step 2: Convert to fraction form
    828,428.97/1,143,208.82 = 501,935.28/x
  3. Step 3: Cross multiply
    828,428.97x = 1,143,208.82 × 501,935.28
  4. Step 4: Simplify right side
    828,428.97x = 573,816,836,655.49
  5. Step 5: Solve for x
    x = 573,816,836,655.49/828,428.97
  6. Step 6: Final answer
    x = 692,656.65

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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.