Home / 653,027.27-979,618.81-315,825.62

Finding the Fourth Proportional to 653,027.27, 979,618.81 and 315,825.62

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Solution

The fourth proportional to 653,027.27, 979,618.81 and 315,825.62 is: 473,776.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,027.27 : 979,618.81 = 315,825.62 : x
  2. Step 2: Convert to fraction form
    653,027.27/979,618.81 = 315,825.62/x
  3. Step 3: Cross multiply
    653,027.27x = 979,618.81 × 315,825.62
  4. Step 4: Simplify right side
    653,027.27x = 309,388,718,031.91
  5. Step 5: Solve for x
    x = 309,388,718,031.91/653,027.27
  6. Step 6: Final answer
    x = 473,776.11

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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.