Home / 487,634.01-673,070.21-283,724.33

Finding the Fourth Proportional to 487,634.01, 673,070.21 and 283,724.33

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Solution

The fourth proportional to 487,634.01, 673,070.21 and 283,724.33 is: 391,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,634.01 : 673,070.21 = 283,724.33 : x
  2. Step 2: Convert to fraction form
    487,634.01/673,070.21 = 283,724.33/x
  3. Step 3: Cross multiply
    487,634.01x = 673,070.21 × 283,724.33
  4. Step 4: Simplify right side
    487,634.01x = 190,966,389,591.24
  5. Step 5: Solve for x
    x = 190,966,389,591.24/487,634.01
  6. Step 6: Final answer
    x = 391,618.27

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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.