Home / 559,898.11-772,659.37-318,181.15

Finding the Fourth Proportional to 559,898.11, 772,659.37 and 318,181.15

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Solution

The fourth proportional to 559,898.11, 772,659.37 and 318,181.15 is: 439,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,898.11 : 772,659.37 = 318,181.15 : x
  2. Step 2: Convert to fraction form
    559,898.11/772,659.37 = 318,181.15/x
  3. Step 3: Cross multiply
    559,898.11x = 772,659.37 × 318,181.15
  4. Step 4: Simplify right side
    559,898.11x = 245,845,646,904.88
  5. Step 5: Solve for x
    x = 245,845,646,904.88/559,898.11
  6. Step 6: Final answer
    x = 439,089.97

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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.