Home / 485,983.04-729,299.93-201,673.86

Finding the Fourth Proportional to 485,983.04, 729,299.93 and 201,673.86

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Solution

The fourth proportional to 485,983.04, 729,299.93 and 201,673.86 is: 302,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,983.04 : 729,299.93 = 201,673.86 : x
  2. Step 2: Convert to fraction form
    485,983.04/729,299.93 = 201,673.86/x
  3. Step 3: Cross multiply
    485,983.04x = 729,299.93 × 201,673.86
  4. Step 4: Simplify right side
    485,983.04x = 147,080,730,972.46
  5. Step 5: Solve for x
    x = 147,080,730,972.46/485,983.04
  6. Step 6: Final answer
    x = 302,645.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.