Home / 975,025.80-1,462,538.70-809,137.80

Finding the Fourth Proportional to 975,025.80, 1,462,538.70 and 809,137.80

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Solution

The fourth proportional to 975,025.80, 1,462,538.70 and 809,137.80 is: 1,213,706.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,025.80 : 1,462,538.70 = 809,137.80 : x
  2. Step 2: Convert to fraction form
    975,025.80/1,462,538.70 = 809,137.80/x
  3. Step 3: Cross multiply
    975,025.80x = 1,462,538.70 × 809,137.80
  4. Step 4: Simplify right side
    975,025.80x = 1,183,395,346,132.86
  5. Step 5: Solve for x
    x = 1,183,395,346,132.86/975,025.80
  6. Step 6: Final answer
    x = 1,213,706.70

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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.