Home / 398,725.04-597,634.96-350,600.50

Finding the Fourth Proportional to 398,725.04, 597,634.96 and 350,600.50

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Solution

The fourth proportional to 398,725.04, 597,634.96 and 350,600.50 is: 525,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,725.04 : 597,634.96 = 350,600.50 : x
  2. Step 2: Convert to fraction form
    398,725.04/597,634.96 = 350,600.50/x
  3. Step 3: Cross multiply
    398,725.04x = 597,634.96 × 350,600.50
  4. Step 4: Simplify right side
    398,725.04x = 209,531,115,793.48
  5. Step 5: Solve for x
    x = 209,531,115,793.48/398,725.04
  6. Step 6: Final answer
    x = 525,502.78

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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.