Home / 806,314.59-1,112,760.05-462,207.78

Finding the Fourth Proportional to 806,314.59, 1,112,760.05 and 462,207.78

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Solution

The fourth proportional to 806,314.59, 1,112,760.05 and 462,207.78 is: 637,873.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,314.59 : 1,112,760.05 = 462,207.78 : x
  2. Step 2: Convert to fraction form
    806,314.59/1,112,760.05 = 462,207.78/x
  3. Step 3: Cross multiply
    806,314.59x = 1,112,760.05 × 462,207.78
  4. Step 4: Simplify right side
    806,314.59x = 514,326,350,072.15
  5. Step 5: Solve for x
    x = 514,326,350,072.15/806,314.59
  6. Step 6: Final answer
    x = 637,873.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.