Home / 862,259.52-1,293,544.80-389,167.68

Finding the Fourth Proportional to 862,259.52, 1,293,544.80 and 389,167.68

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Solution

The fourth proportional to 862,259.52, 1,293,544.80 and 389,167.68 is: 583,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,259.52 : 1,293,544.80 = 389,167.68 : x
  2. Step 2: Convert to fraction form
    862,259.52/1,293,544.80 = 389,167.68/x
  3. Step 3: Cross multiply
    862,259.52x = 1,293,544.80 × 389,167.68
  4. Step 4: Simplify right side
    862,259.52x = 503,405,828,792.06
  5. Step 5: Solve for x
    x = 503,405,828,792.06/862,259.52
  6. Step 6: Final answer
    x = 583,821.71

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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.