Home / 820,026.68-1,131,645.66-457,447.64

Finding the Fourth Proportional to 820,026.68, 1,131,645.66 and 457,447.64

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Solution

The fourth proportional to 820,026.68, 1,131,645.66 and 457,447.64 is: 631,282.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,026.68 : 1,131,645.66 = 457,447.64 : x
  2. Step 2: Convert to fraction form
    820,026.68/1,131,645.66 = 457,447.64/x
  3. Step 3: Cross multiply
    820,026.68x = 1,131,645.66 × 457,447.64
  4. Step 4: Simplify right side
    820,026.68x = 517,668,636,483.24
  5. Step 5: Solve for x
    x = 517,668,636,483.24/820,026.68
  6. Step 6: Final answer
    x = 631,282.68

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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.