Home / 995,315.76-1,493,231.04-285,395.76

Finding the Fourth Proportional to 995,315.76, 1,493,231.04 and 285,395.76

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Solution

The fourth proportional to 995,315.76, 1,493,231.04 and 285,395.76 is: 428,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,315.76 : 1,493,231.04 = 285,395.76 : x
  2. Step 2: Convert to fraction form
    995,315.76/1,493,231.04 = 285,395.76/x
  3. Step 3: Cross multiply
    995,315.76x = 1,493,231.04 × 285,395.76
  4. Step 4: Simplify right side
    995,315.76x = 426,161,807,516.39
  5. Step 5: Solve for x
    x = 426,161,807,516.39/995,315.76
  6. Step 6: Final answer
    x = 428,167.45

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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.