Home / 513,448.23-708,563.19-283,993.47

Finding the Fourth Proportional to 513,448.23, 708,563.19 and 283,993.47

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Solution

The fourth proportional to 513,448.23, 708,563.19 and 283,993.47 is: 391,913.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,448.23 : 708,563.19 = 283,993.47 : x
  2. Step 2: Convert to fraction form
    513,448.23/708,563.19 = 283,993.47/x
  3. Step 3: Cross multiply
    513,448.23x = 708,563.19 × 283,993.47
  4. Step 4: Simplify right side
    513,448.23x = 201,227,319,042.37
  5. Step 5: Solve for x
    x = 201,227,319,042.37/513,448.23
  6. Step 6: Final answer
    x = 391,913.55

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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.