Home / 806,319.96-1,209,654.89-245,339.88

Finding the Fourth Proportional to 806,319.96, 1,209,654.89 and 245,339.88

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Solution

The fourth proportional to 806,319.96, 1,209,654.89 and 245,339.88 is: 368,063.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,319.96 : 1,209,654.89 = 245,339.88 : x
  2. Step 2: Convert to fraction form
    806,319.96/1,209,654.89 = 245,339.88/x
  3. Step 3: Cross multiply
    806,319.96x = 1,209,654.89 × 245,339.88
  4. Step 4: Simplify right side
    806,319.96x = 296,776,585,554.01
  5. Step 5: Solve for x
    x = 296,776,585,554.01/806,319.96
  6. Step 6: Final answer
    x = 368,063.05

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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.