Home / 759,687.34-1,048,387.97-457,900.78

Finding the Fourth Proportional to 759,687.34, 1,048,387.97 and 457,900.78

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Solution

The fourth proportional to 759,687.34, 1,048,387.97 and 457,900.78 is: 631,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,687.34 : 1,048,387.97 = 457,900.78 : x
  2. Step 2: Convert to fraction form
    759,687.34/1,048,387.97 = 457,900.78/x
  3. Step 3: Cross multiply
    759,687.34x = 1,048,387.97 × 457,900.78
  4. Step 4: Simplify right side
    759,687.34x = 480,057,669,205.62
  5. Step 5: Solve for x
    x = 480,057,669,205.62/759,687.34
  6. Step 6: Final answer
    x = 631,914.79

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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.