Home / 513,272.70-708,320.89-283,845.50

Finding the Fourth Proportional to 513,272.70, 708,320.89 and 283,845.50

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Solution

The fourth proportional to 513,272.70, 708,320.89 and 283,845.50 is: 391,709.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,272.70 : 708,320.89 = 283,845.50 : x
  2. Step 2: Convert to fraction form
    513,272.70/708,320.89 = 283,845.50/x
  3. Step 3: Cross multiply
    513,272.70x = 708,320.89 × 283,845.50
  4. Step 4: Simplify right side
    513,272.70x = 201,053,697,182.50
  5. Step 5: Solve for x
    x = 201,053,697,182.50/513,272.70
  6. Step 6: Final answer
    x = 391,709.31

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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.