Home / 806,723.80-1,210,200.90-274,269.40

Finding the Fourth Proportional to 806,723.80, 1,210,200.90 and 274,269.40

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Solution

The fourth proportional to 806,723.80, 1,210,200.90 and 274,269.40 is: 411,443.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,723.80 : 1,210,200.90 = 274,269.40 : x
  2. Step 2: Convert to fraction form
    806,723.80/1,210,200.90 = 274,269.40/x
  3. Step 3: Cross multiply
    806,723.80x = 1,210,200.90 × 274,269.40
  4. Step 4: Simplify right side
    806,723.80x = 331,921,074,722.46
  5. Step 5: Solve for x
    x = 331,921,074,722.46/806,723.80
  6. Step 6: Final answer
    x = 411,443.27

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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.