Home / 757,754.92-1,045,696.62-418,223.20

Finding the Fourth Proportional to 757,754.92, 1,045,696.62 and 418,223.20

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Solution

The fourth proportional to 757,754.92, 1,045,696.62 and 418,223.20 is: 577,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,754.92 : 1,045,696.62 = 418,223.20 : x
  2. Step 2: Convert to fraction form
    757,754.92/1,045,696.62 = 418,223.20/x
  3. Step 3: Cross multiply
    757,754.92x = 1,045,696.62 × 418,223.20
  4. Step 4: Simplify right side
    757,754.92x = 437,334,586,645.58
  5. Step 5: Solve for x
    x = 437,334,586,645.58/757,754.92
  6. Step 6: Final answer
    x = 577,145.16

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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.