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Finding the Fourth Proportional to 531,986.92, 733,982 and 350,633.68

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Solution

The fourth proportional to 531,986.92, 733,982 and 350,633.68 is: 483,769.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,986.92 : 733,982 = 350,633.68 : x
  2. Step 2: Convert to fraction form
    531,986.92/733,982 = 350,633.68/x
  3. Step 3: Cross multiply
    531,986.92x = 733,982 × 350,633.68
  4. Step 4: Simplify right side
    531,986.92x = 257,358,809,713.76
  5. Step 5: Solve for x
    x = 257,358,809,713.76/531,986.92
  6. Step 6: Final answer
    x = 483,769.06

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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.