Home / 513,327.35-708,387.61-283,894.31

Finding the Fourth Proportional to 513,327.35, 708,387.61 and 283,894.31

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Solution

The fourth proportional to 513,327.35, 708,387.61 and 283,894.31 is: 391,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,327.35 : 708,387.61 = 283,894.31 : x
  2. Step 2: Convert to fraction form
    513,327.35/708,387.61 = 283,894.31/x
  3. Step 3: Cross multiply
    513,327.35x = 708,387.61 × 283,894.31
  4. Step 4: Simplify right side
    513,327.35x = 201,107,210,907.00
  5. Step 5: Solve for x
    x = 201,107,210,907.00/513,327.35
  6. Step 6: Final answer
    x = 391,771.86

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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.