Home / 509,136.36-702,735.20-294,400.24

Finding the Fourth Proportional to 509,136.36, 702,735.20 and 294,400.24

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Solution

The fourth proportional to 509,136.36, 702,735.20 and 294,400.24 is: 406,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,136.36 : 702,735.20 = 294,400.24 : x
  2. Step 2: Convert to fraction form
    509,136.36/702,735.20 = 294,400.24/x
  3. Step 3: Cross multiply
    509,136.36x = 702,735.20 × 294,400.24
  4. Step 4: Simplify right side
    509,136.36x = 206,885,411,536.45
  5. Step 5: Solve for x
    x = 206,885,411,536.45/509,136.36
  6. Step 6: Final answer
    x = 406,345.78

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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.