Home / 718,226.37-1,077,758.70-398,646.44

Finding the Fourth Proportional to 718,226.37, 1,077,758.70 and 398,646.44

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Solution

The fourth proportional to 718,226.37, 1,077,758.70 and 398,646.44 is: 598,202.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,226.37 : 1,077,758.70 = 398,646.44 : x
  2. Step 2: Convert to fraction form
    718,226.37/1,077,758.70 = 398,646.44/x
  3. Step 3: Cross multiply
    718,226.37x = 1,077,758.70 × 398,646.44
  4. Step 4: Simplify right side
    718,226.37x = 429,644,663,545.24
  5. Step 5: Solve for x
    x = 429,644,663,545.24/718,226.37
  6. Step 6: Final answer
    x = 598,202.30

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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.