Home / 718,818.66-1,077,823.35-238,789.50

Finding the Fourth Proportional to 718,818.66, 1,077,823.35 and 238,789.50

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Solution

The fourth proportional to 718,818.66, 1,077,823.35 and 238,789.50 is: 358,049.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,818.66 : 1,077,823.35 = 238,789.50 : x
  2. Step 2: Convert to fraction form
    718,818.66/1,077,823.35 = 238,789.50/x
  3. Step 3: Cross multiply
    718,818.66x = 1,077,823.35 × 238,789.50
  4. Step 4: Simplify right side
    718,818.66x = 257,372,898,834.83
  5. Step 5: Solve for x
    x = 257,372,898,834.83/718,818.66
  6. Step 6: Final answer
    x = 358,049.83

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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.