Home / 757,828.31-1,045,728.63-418,274.69

Finding the Fourth Proportional to 757,828.31, 1,045,728.63 and 418,274.69

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Solution

The fourth proportional to 757,828.31, 1,045,728.63 and 418,274.69 is: 577,177.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,828.31 : 1,045,728.63 = 418,274.69 : x
  2. Step 2: Convert to fraction form
    757,828.31/1,045,728.63 = 418,274.69/x
  3. Step 3: Cross multiply
    757,828.31x = 1,045,728.63 × 418,274.69
  4. Step 4: Simplify right side
    757,828.31x = 437,401,813,308.73
  5. Step 5: Solve for x
    x = 437,401,813,308.73/757,828.31
  6. Step 6: Final answer
    x = 577,177.98

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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.