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Finding the Fourth Proportional to 508,744.45, 702,032.21 and 282,372.13

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Solution

The fourth proportional to 508,744.45, 702,032.21 and 282,372.13 is: 389,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,744.45 : 702,032.21 = 282,372.13 : x
  2. Step 2: Convert to fraction form
    508,744.45/702,032.21 = 282,372.13/x
  3. Step 3: Cross multiply
    508,744.45x = 702,032.21 × 282,372.13
  4. Step 4: Simplify right side
    508,744.45x = 198,234,325,544.29
  5. Step 5: Solve for x
    x = 198,234,325,544.29/508,744.45
  6. Step 6: Final answer
    x = 389,654.03

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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.