Home / 718,588.54-1,078,064.05-238,818.85

Finding the Fourth Proportional to 718,588.54, 1,078,064.05 and 238,818.85

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Solution

The fourth proportional to 718,588.54, 1,078,064.05 and 238,818.85 is: 358,288.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,588.54 : 1,078,064.05 = 238,818.85 : x
  2. Step 2: Convert to fraction form
    718,588.54/1,078,064.05 = 238,818.85/x
  3. Step 3: Cross multiply
    718,588.54x = 1,078,064.05 × 238,818.85
  4. Step 4: Simplify right side
    718,588.54x = 257,462,016,647.34
  5. Step 5: Solve for x
    x = 257,462,016,647.34/718,588.54
  6. Step 6: Final answer
    x = 358,288.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.