Home / 806,343.19-1,209,226.62-266,499.58

Finding the Fourth Proportional to 806,343.19, 1,209,226.62 and 266,499.58

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Solution

The fourth proportional to 806,343.19, 1,209,226.62 and 266,499.58 is: 399,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,343.19 : 1,209,226.62 = 266,499.58 : x
  2. Step 2: Convert to fraction form
    806,343.19/1,209,226.62 = 266,499.58/x
  3. Step 3: Cross multiply
    806,343.19x = 1,209,226.62 × 266,499.58
  4. Step 4: Simplify right side
    806,343.19x = 322,258,386,354.82
  5. Step 5: Solve for x
    x = 322,258,386,354.82/806,343.19
  6. Step 6: Final answer
    x = 399,654.13

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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.