Home / 863,221.60-1,295,205.54-463,395.46

Finding the Fourth Proportional to 863,221.60, 1,295,205.54 and 463,395.46

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Solution

The fourth proportional to 863,221.60, 1,295,205.54 and 463,395.46 is: 695,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,221.60 : 1,295,205.54 = 463,395.46 : x
  2. Step 2: Convert to fraction form
    863,221.60/1,295,205.54 = 463,395.46/x
  3. Step 3: Cross multiply
    863,221.60x = 1,295,205.54 × 463,395.46
  4. Step 4: Simplify right side
    863,221.60x = 600,192,367,002.85
  5. Step 5: Solve for x
    x = 600,192,367,002.85/863,221.60
  6. Step 6: Final answer
    x = 695,293.50

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1.5x scale

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.