Home / 782,260.20-1,171,640.70-677,284.20

Finding the Fourth Proportional to 782,260.20, 1,171,640.70 and 677,284.20

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Solution

The fourth proportional to 782,260.20, 1,171,640.70 and 677,284.20 is: 1,014,411.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,260.20 : 1,171,640.70 = 677,284.20 : x
  2. Step 2: Convert to fraction form
    782,260.20/1,171,640.70 = 677,284.20/x
  3. Step 3: Cross multiply
    782,260.20x = 1,171,640.70 × 677,284.20
  4. Step 4: Simplify right side
    782,260.20x = 793,533,734,186.94
  5. Step 5: Solve for x
    x = 793,533,734,186.94/782,260.20
  6. Step 6: Final answer
    x = 1,014,411.49

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Double scale
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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.