Home / 718,818.48-1,078,324.92-245,376.72

Finding the Fourth Proportional to 718,818.48, 1,078,324.92 and 245,376.72

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Solution

The fourth proportional to 718,818.48, 1,078,324.92 and 245,376.72 is: 368,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,818.48 : 1,078,324.92 = 245,376.72 : x
  2. Step 2: Convert to fraction form
    718,818.48/1,078,324.92 = 245,376.72/x
  3. Step 3: Cross multiply
    718,818.48x = 1,078,324.92 × 245,376.72
  4. Step 4: Simplify right side
    718,818.48x = 264,595,831,963.86
  5. Step 5: Solve for x
    x = 264,595,831,963.86/718,818.48
  6. Step 6: Final answer
    x = 368,098.26

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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.