Home / 806,324.76-1,210,234.47-407,245.79

Finding the Fourth Proportional to 806,324.76, 1,210,234.47 and 407,245.79

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Solution

The fourth proportional to 806,324.76, 1,210,234.47 and 407,245.79 is: 611,246.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,324.76 : 1,210,234.47 = 407,245.79 : x
  2. Step 2: Convert to fraction form
    806,324.76/1,210,234.47 = 407,245.79/x
  3. Step 3: Cross multiply
    806,324.76x = 1,210,234.47 × 407,245.79
  4. Step 4: Simplify right side
    806,324.76x = 492,862,886,769.21
  5. Step 5: Solve for x
    x = 492,862,886,769.21/806,324.76
  6. Step 6: Final answer
    x = 611,246.13

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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.