Home / 535,605.10-739,121.92-299,856.10

Finding the Fourth Proportional to 535,605.10, 739,121.92 and 299,856.10

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Solution

The fourth proportional to 535,605.10, 739,121.92 and 299,856.10 is: 413,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,605.10 : 739,121.92 = 299,856.10 : x
  2. Step 2: Convert to fraction form
    535,605.10/739,121.92 = 299,856.10/x
  3. Step 3: Cross multiply
    535,605.10x = 739,121.92 × 299,856.10
  4. Step 4: Simplify right side
    535,605.10x = 221,630,216,355.71
  5. Step 5: Solve for x
    x = 221,630,216,355.71/535,605.10
  6. Step 6: Final answer
    x = 413,794.07

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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.