Home / 863,247.60-1,293,121.80-488,833.20

Finding the Fourth Proportional to 863,247.60, 1,293,121.80 and 488,833.20

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Solution

The fourth proportional to 863,247.60, 1,293,121.80 and 488,833.20 is: 732,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,247.60 : 1,293,121.80 = 488,833.20 : x
  2. Step 2: Convert to fraction form
    863,247.60/1,293,121.80 = 488,833.20/x
  3. Step 3: Cross multiply
    863,247.60x = 1,293,121.80 × 488,833.20
  4. Step 4: Simplify right side
    863,247.60x = 632,120,867,483.76
  5. Step 5: Solve for x
    x = 632,120,867,483.76/863,247.60
  6. Step 6: Final answer
    x = 732,259.05

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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.