Home / 763,769.10-1,143,908.50-364,689.39

Finding the Fourth Proportional to 763,769.10, 1,143,908.50 and 364,689.39

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Solution

The fourth proportional to 763,769.10, 1,143,908.50 and 364,689.39 is: 546,200.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,769.10 : 1,143,908.50 = 364,689.39 : x
  2. Step 2: Convert to fraction form
    763,769.10/1,143,908.50 = 364,689.39/x
  3. Step 3: Cross multiply
    763,769.10x = 1,143,908.50 × 364,689.39
  4. Step 4: Simplify right side
    763,769.10x = 417,171,290,221.04
  5. Step 5: Solve for x
    x = 417,171,290,221.04/763,769.10
  6. Step 6: Final answer
    x = 546,200.80

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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.