Home / 806,502.20-1,210,190.70-333,235.40

Finding the Fourth Proportional to 806,502.20, 1,210,190.70 and 333,235.40

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Solution

The fourth proportional to 806,502.20, 1,210,190.70 and 333,235.40 is: 500,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,502.20 : 1,210,190.70 = 333,235.40 : x
  2. Step 2: Convert to fraction form
    806,502.20/1,210,190.70 = 333,235.40/x
  3. Step 3: Cross multiply
    806,502.20x = 1,210,190.70 × 333,235.40
  4. Step 4: Simplify right side
    806,502.20x = 403,278,381,990.78
  5. Step 5: Solve for x
    x = 403,278,381,990.78/806,502.20
  6. Step 6: Final answer
    x = 500,033.83

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1.5x scale

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.