Home / 757,863.66-1,045,860.42-418,331.82

Finding the Fourth Proportional to 757,863.66, 1,045,860.42 and 418,331.82

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Solution

The fourth proportional to 757,863.66, 1,045,860.42 and 418,331.82 is: 577,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,863.66 : 1,045,860.42 = 418,331.82 : x
  2. Step 2: Convert to fraction form
    757,863.66/1,045,860.42 = 418,331.82/x
  3. Step 3: Cross multiply
    757,863.66x = 1,045,860.42 × 418,331.82
  4. Step 4: Simplify right side
    757,863.66x = 437,516,692,964.56
  5. Step 5: Solve for x
    x = 437,516,692,964.56/757,863.66
  6. Step 6: Final answer
    x = 577,302.64

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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.