Home / 531,536.62-733,582.77-302,128.36

Finding the Fourth Proportional to 531,536.62, 733,582.77 and 302,128.36

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Solution

The fourth proportional to 531,536.62, 733,582.77 and 302,128.36 is: 416,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,536.62 : 733,582.77 = 302,128.36 : x
  2. Step 2: Convert to fraction form
    531,536.62/733,582.77 = 302,128.36/x
  3. Step 3: Cross multiply
    531,536.62x = 733,582.77 × 302,128.36
  4. Step 4: Simplify right side
    531,536.62x = 221,636,159,224.36
  5. Step 5: Solve for x
    x = 221,636,159,224.36/531,536.62
  6. Step 6: Final answer
    x = 416,972.51

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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.