Home / 559,943.82-772,788.08-318,262.72

Finding the Fourth Proportional to 559,943.82, 772,788.08 and 318,262.72

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Solution

The fourth proportional to 559,943.82, 772,788.08 and 318,262.72 is: 439,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,943.82 : 772,788.08 = 318,262.72 : x
  2. Step 2: Convert to fraction form
    559,943.82/772,788.08 = 318,262.72/x
  3. Step 3: Cross multiply
    559,943.82x = 772,788.08 × 318,262.72
  4. Step 4: Simplify right side
    559,943.82x = 245,949,632,801.09
  5. Step 5: Solve for x
    x = 245,949,632,801.09/559,943.82
  6. Step 6: Final answer
    x = 439,239.84

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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.