Home / 653,024.27-979,614.31-315,822.62

Finding the Fourth Proportional to 653,024.27, 979,614.31 and 315,822.62

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Solution

The fourth proportional to 653,024.27, 979,614.31 and 315,822.62 is: 473,771.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,024.27 : 979,614.31 = 315,822.62 : x
  2. Step 2: Convert to fraction form
    653,024.27/979,614.31 = 315,822.62/x
  3. Step 3: Cross multiply
    653,024.27x = 979,614.31 × 315,822.62
  4. Step 4: Simplify right side
    653,024.27x = 309,384,351,496.51
  5. Step 5: Solve for x
    x = 309,384,351,496.51/653,024.27
  6. Step 6: Final answer
    x = 473,771.60

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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.