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Finding the Fourth Proportional to 531,632.56, 733,653.08 and 289,908.90

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Solution

The fourth proportional to 531,632.56, 733,653.08 and 289,908.90 is: 400,074.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,632.56 : 733,653.08 = 289,908.90 : x
  2. Step 2: Convert to fraction form
    531,632.56/733,653.08 = 289,908.90/x
  3. Step 3: Cross multiply
    531,632.56x = 733,653.08 × 289,908.90
  4. Step 4: Simplify right side
    531,632.56x = 212,692,557,404.41
  5. Step 5: Solve for x
    x = 212,692,557,404.41/531,632.56
  6. Step 6: Final answer
    x = 400,074.36

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1.5x scale

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.