Home / 575,743.20-863,355.60-260,037.60

Finding the Fourth Proportional to 575,743.20, 863,355.60 and 260,037.60

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Solution

The fourth proportional to 575,743.20, 863,355.60 and 260,037.60 is: 389,939.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,743.20 : 863,355.60 = 260,037.60 : x
  2. Step 2: Convert to fraction form
    575,743.20/863,355.60 = 260,037.60/x
  3. Step 3: Cross multiply
    575,743.20x = 863,355.60 × 260,037.60
  4. Step 4: Simplify right side
    575,743.20x = 224,504,918,170.56
  5. Step 5: Solve for x
    x = 224,504,918,170.56/575,743.20
  6. Step 6: Final answer
    x = 389,939.33

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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.