Home / 757,646.56-1,045,550.11-418,112.38

Finding the Fourth Proportional to 757,646.56, 1,045,550.11 and 418,112.38

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Solution

The fourth proportional to 757,646.56, 1,045,550.11 and 418,112.38 is: 576,993.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,646.56 : 1,045,550.11 = 418,112.38 : x
  2. Step 2: Convert to fraction form
    757,646.56/1,045,550.11 = 418,112.38/x
  3. Step 3: Cross multiply
    757,646.56x = 1,045,550.11 × 418,112.38
  4. Step 4: Simplify right side
    757,646.56x = 437,157,437,583.05
  5. Step 5: Solve for x
    x = 437,157,437,583.05/757,646.56
  6. Step 6: Final answer
    x = 576,993.90

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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.