Home / 497,180.56-686,113.68-282,325.12

Finding the Fourth Proportional to 497,180.56, 686,113.68 and 282,325.12

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Solution

The fourth proportional to 497,180.56, 686,113.68 and 282,325.12 is: 389,611.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,180.56 : 686,113.68 = 282,325.12 : x
  2. Step 2: Convert to fraction form
    497,180.56/686,113.68 = 282,325.12/x
  3. Step 3: Cross multiply
    497,180.56x = 686,113.68 × 282,325.12
  4. Step 4: Simplify right side
    497,180.56x = 193,707,127,039.64
  5. Step 5: Solve for x
    x = 193,707,127,039.64/497,180.56
  6. Step 6: Final answer
    x = 389,611.23

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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.