Home / 1,108,293.13-1,662,439.70-509,757.71

Finding the Fourth Proportional to 1,108,293.13, 1,662,439.70 and 509,757.71

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Solution

The fourth proportional to 1,108,293.13, 1,662,439.70 and 509,757.71 is: 764,636.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,293.13 : 1,662,439.70 = 509,757.71 : x
  2. Step 2: Convert to fraction form
    1,108,293.13/1,662,439.70 = 509,757.71/x
  3. Step 3: Cross multiply
    1,108,293.13x = 1,662,439.70 × 509,757.71
  4. Step 4: Simplify right side
    1,108,293.13x = 847,441,445,535.69
  5. Step 5: Solve for x
    x = 847,441,445,535.69/1,108,293.13
  6. Step 6: Final answer
    x = 764,636.56

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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.