Home / 757,773.82-1,045,653.42-418,220.20

Finding the Fourth Proportional to 757,773.82, 1,045,653.42 and 418,220.20

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Solution

The fourth proportional to 757,773.82, 1,045,653.42 and 418,220.20 is: 577,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,773.82 : 1,045,653.42 = 418,220.20 : x
  2. Step 2: Convert to fraction form
    757,773.82/1,045,653.42 = 418,220.20/x
  3. Step 3: Cross multiply
    757,773.82x = 1,045,653.42 × 418,220.20
  4. Step 4: Simplify right side
    757,773.82x = 437,313,382,443.08
  5. Step 5: Solve for x
    x = 437,313,382,443.08/757,773.82
  6. Step 6: Final answer
    x = 577,102.79

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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.