Home / 806,319.46-1,209,654.15-245,339.38

Finding the Fourth Proportional to 806,319.46, 1,209,654.15 and 245,339.38

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Solution

The fourth proportional to 806,319.46, 1,209,654.15 and 245,339.38 is: 368,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,319.46 : 1,209,654.15 = 245,339.38 : x
  2. Step 2: Convert to fraction form
    806,319.46/1,209,654.15 = 245,339.38/x
  3. Step 3: Cross multiply
    806,319.46x = 1,209,654.15 × 245,339.38
  4. Step 4: Simplify right side
    806,319.46x = 296,775,791,900.46
  5. Step 5: Solve for x
    x = 296,775,791,900.46/806,319.46
  6. Step 6: Final answer
    x = 368,062.30

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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.