Home / 828,858.36-1,143,822.80-466,282.21

Finding the Fourth Proportional to 828,858.36, 1,143,822.80 and 466,282.21

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Solution

The fourth proportional to 828,858.36, 1,143,822.80 and 466,282.21 is: 643,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,858.36 : 1,143,822.80 = 466,282.21 : x
  2. Step 2: Convert to fraction form
    828,858.36/1,143,822.80 = 466,282.21/x
  3. Step 3: Cross multiply
    828,858.36x = 1,143,822.80 × 466,282.21
  4. Step 4: Simplify right side
    828,858.36x = 533,344,228,129.38
  5. Step 5: Solve for x
    x = 533,344,228,129.38/828,858.36
  6. Step 6: Final answer
    x = 643,468.48

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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.