Home / 715,631.81-1,073,487.89-229,356.21

Finding the Fourth Proportional to 715,631.81, 1,073,487.89 and 229,356.21

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Solution

The fourth proportional to 715,631.81, 1,073,487.89 and 229,356.21 is: 344,047.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,631.81 : 1,073,487.89 = 229,356.21 : x
  2. Step 2: Convert to fraction form
    715,631.81/1,073,487.89 = 229,356.21/x
  3. Step 3: Cross multiply
    715,631.81x = 1,073,487.89 × 229,356.21
  4. Step 4: Simplify right side
    715,631.81x = 246,211,111,201.77
  5. Step 5: Solve for x
    x = 246,211,111,201.77/715,631.81
  6. Step 6: Final answer
    x = 344,047.19

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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.