Home / 823,026.28-1,135,767.90-455,504.14

Finding the Fourth Proportional to 823,026.28, 1,135,767.90 and 455,504.14

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Solution

The fourth proportional to 823,026.28, 1,135,767.90 and 455,504.14 is: 628,591.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,026.28 : 1,135,767.90 = 455,504.14 : x
  2. Step 2: Convert to fraction form
    823,026.28/1,135,767.90 = 455,504.14/x
  3. Step 3: Cross multiply
    823,026.28x = 1,135,767.90 × 455,504.14
  4. Step 4: Simplify right side
    823,026.28x = 517,346,980,529.11
  5. Step 5: Solve for x
    x = 517,346,980,529.11/823,026.28
  6. Step 6: Final answer
    x = 628,591.08

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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.