Home / 513,272.03-708,253.27-283,813.61

Finding the Fourth Proportional to 513,272.03, 708,253.27 and 283,813.61

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Solution

The fourth proportional to 513,272.03, 708,253.27 and 283,813.61 is: 391,628.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,272.03 : 708,253.27 = 283,813.61 : x
  2. Step 2: Convert to fraction form
    513,272.03/708,253.27 = 283,813.61/x
  3. Step 3: Cross multiply
    513,272.03x = 708,253.27 × 283,813.61
  4. Step 4: Simplify right side
    513,272.03x = 201,011,913,102.20
  5. Step 5: Solve for x
    x = 201,011,913,102.20/513,272.03
  6. Step 6: Final answer
    x = 391,628.42

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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.