Home / 723,843.72-1,085,059.59-344,662.58

Finding the Fourth Proportional to 723,843.72, 1,085,059.59 and 344,662.58

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Solution

The fourth proportional to 723,843.72, 1,085,059.59 and 344,662.58 is: 516,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,843.72 : 1,085,059.59 = 344,662.58 : x
  2. Step 2: Convert to fraction form
    723,843.72/1,085,059.59 = 344,662.58/x
  3. Step 3: Cross multiply
    723,843.72x = 1,085,059.59 × 344,662.58
  4. Step 4: Simplify right side
    723,843.72x = 373,979,432,317.84
  5. Step 5: Solve for x
    x = 373,979,432,317.84/723,843.72
  6. Step 6: Final answer
    x = 516,657.70

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1.5x scale

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.