Home / 907,481.60-1,361,222.40-509,350.40

Finding the Fourth Proportional to 907,481.60, 1,361,222.40 and 509,350.40

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Solution

The fourth proportional to 907,481.60, 1,361,222.40 and 509,350.40 is: 764,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,481.60 : 1,361,222.40 = 509,350.40 : x
  2. Step 2: Convert to fraction form
    907,481.60/1,361,222.40 = 509,350.40/x
  3. Step 3: Cross multiply
    907,481.60x = 1,361,222.40 × 509,350.40
  4. Step 4: Simplify right side
    907,481.60x = 693,339,173,928.96
  5. Step 5: Solve for x
    x = 693,339,173,928.96/907,481.60
  6. Step 6: Final answer
    x = 764,025.60

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Double scale
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Similar ratio
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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.