Home / 928,911.66-1,393,959.46-423,523.07

Finding the Fourth Proportional to 928,911.66, 1,393,959.46 and 423,523.07

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Solution

The fourth proportional to 928,911.66, 1,393,959.46 and 423,523.07 is: 635,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,911.66 : 1,393,959.46 = 423,523.07 : x
  2. Step 2: Convert to fraction form
    928,911.66/1,393,959.46 = 423,523.07/x
  3. Step 3: Cross multiply
    928,911.66x = 1,393,959.46 × 423,523.07
  4. Step 4: Simplify right side
    928,911.66x = 590,373,987,947.59
  5. Step 5: Solve for x
    x = 590,373,987,947.59/928,911.66
  6. Step 6: Final answer
    x = 635,554.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.