Home / 497,103.04-686,003.03-282,243.11

Finding the Fourth Proportional to 497,103.04, 686,003.03 and 282,243.11

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Solution

The fourth proportional to 497,103.04, 686,003.03 and 282,243.11 is: 389,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,103.04 : 686,003.03 = 282,243.11 : x
  2. Step 2: Convert to fraction form
    497,103.04/686,003.03 = 282,243.11/x
  3. Step 3: Cross multiply
    497,103.04x = 686,003.03 × 282,243.11
  4. Step 4: Simplify right side
    497,103.04x = 193,619,624,873.80
  5. Step 5: Solve for x
    x = 193,619,624,873.80/497,103.04
  6. Step 6: Final answer
    x = 389,495.96

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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.