Home / 811,046.28-1,119,226.14-448,485.24

Finding the Fourth Proportional to 811,046.28, 1,119,226.14 and 448,485.24

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Solution

The fourth proportional to 811,046.28, 1,119,226.14 and 448,485.24 is: 618,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,046.28 : 1,119,226.14 = 448,485.24 : x
  2. Step 2: Convert to fraction form
    811,046.28/1,119,226.14 = 448,485.24/x
  3. Step 3: Cross multiply
    811,046.28x = 1,119,226.14 × 448,485.24
  4. Step 4: Simplify right side
    811,046.28x = 501,956,404,012.17
  5. Step 5: Solve for x
    x = 501,956,404,012.17/811,046.28
  6. Step 6: Final answer
    x = 618,899.83

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.