Home / 1,108,529.82-1,662,798.21-309,806.10

Finding the Fourth Proportional to 1,108,529.82, 1,662,798.21 and 309,806.10

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Solution

The fourth proportional to 1,108,529.82, 1,662,798.21 and 309,806.10 is: 464,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,529.82 : 1,662,798.21 = 309,806.10 : x
  2. Step 2: Convert to fraction form
    1,108,529.82/1,662,798.21 = 309,806.10/x
  3. Step 3: Cross multiply
    1,108,529.82x = 1,662,798.21 × 309,806.10
  4. Step 4: Simplify right side
    1,108,529.82x = 515,145,028,527.08
  5. Step 5: Solve for x
    x = 515,145,028,527.08/1,108,529.82
  6. Step 6: Final answer
    x = 464,710.12

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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.