Home / 782,439.60-1,097,777.40-782,439.60

Finding the Fourth Proportional to 782,439.60, 1,097,777.40 and 782,439.60

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Solution

The fourth proportional to 782,439.60, 1,097,777.40 and 782,439.60 is: 1,097,777.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,439.60 : 1,097,777.40 = 782,439.60 : x
  2. Step 2: Convert to fraction form
    782,439.60/1,097,777.40 = 782,439.60/x
  3. Step 3: Cross multiply
    782,439.60x = 1,097,777.40 × 782,439.60
  4. Step 4: Simplify right side
    782,439.60x = 858,944,509,745.04
  5. Step 5: Solve for x
    x = 858,944,509,745.04/782,439.60
  6. Step 6: Final answer
    x = 1,097,777.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.