Home / 757,824.13-1,045,797.39-418,292.47

Finding the Fourth Proportional to 757,824.13, 1,045,797.39 and 418,292.47

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Solution

The fourth proportional to 757,824.13, 1,045,797.39 and 418,292.47 is: 577,243.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,824.13 : 1,045,797.39 = 418,292.47 : x
  2. Step 2: Convert to fraction form
    757,824.13/1,045,797.39 = 418,292.47/x
  3. Step 3: Cross multiply
    757,824.13x = 1,045,797.39 × 418,292.47
  4. Step 4: Simplify right side
    757,824.13x = 437,449,173,382.65
  5. Step 5: Solve for x
    x = 437,449,173,382.65/757,824.13
  6. Step 6: Final answer
    x = 577,243.66

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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.