Home / 803,869.92-1,204,887.63-323,790.45

Finding the Fourth Proportional to 803,869.92, 1,204,887.63 and 323,790.45

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Solution

The fourth proportional to 803,869.92, 1,204,887.63 and 323,790.45 is: 485,316.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,869.92 : 1,204,887.63 = 323,790.45 : x
  2. Step 2: Convert to fraction form
    803,869.92/1,204,887.63 = 323,790.45/x
  3. Step 3: Cross multiply
    803,869.92x = 1,204,887.63 × 323,790.45
  4. Step 4: Simplify right side
    803,869.92x = 390,131,107,917.13
  5. Step 5: Solve for x
    x = 390,131,107,917.13/803,869.92
  6. Step 6: Final answer
    x = 485,316.22

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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.