Home / 531,765.78-733,839.06-290,053.54

Finding the Fourth Proportional to 531,765.78, 733,839.06 and 290,053.54

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Solution

The fourth proportional to 531,765.78, 733,839.06 and 290,053.54 is: 400,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,765.78 : 733,839.06 = 290,053.54 : x
  2. Step 2: Convert to fraction form
    531,765.78/733,839.06 = 290,053.54/x
  3. Step 3: Cross multiply
    531,765.78x = 733,839.06 × 290,053.54
  4. Step 4: Simplify right side
    531,765.78x = 212,852,617,143.27
  5. Step 5: Solve for x
    x = 212,852,617,143.27/531,765.78
  6. Step 6: Final answer
    x = 400,275.13

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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.