Home / 862,332.89-1,293,655.15-356,619.21

Finding the Fourth Proportional to 862,332.89, 1,293,655.15 and 356,619.21

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Solution

The fourth proportional to 862,332.89, 1,293,655.15 and 356,619.21 is: 534,993.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,332.89 : 1,293,655.15 = 356,619.21 : x
  2. Step 2: Convert to fraction form
    862,332.89/1,293,655.15 = 356,619.21/x
  3. Step 3: Cross multiply
    862,332.89x = 1,293,655.15 × 356,619.21
  4. Step 4: Simplify right side
    862,332.89x = 461,342,273,200.00
  5. Step 5: Solve for x
    x = 461,342,273,200.00/862,332.89
  6. Step 6: Final answer
    x = 534,993.25

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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.