Home / 726,921.98-1,090,849.53-352,740.86

Finding the Fourth Proportional to 726,921.98, 1,090,849.53 and 352,740.86

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Solution

The fourth proportional to 726,921.98, 1,090,849.53 and 352,740.86 is: 529,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,921.98 : 1,090,849.53 = 352,740.86 : x
  2. Step 2: Convert to fraction form
    726,921.98/1,090,849.53 = 352,740.86/x
  3. Step 3: Cross multiply
    726,921.98x = 1,090,849.53 × 352,740.86
  4. Step 4: Simplify right side
    726,921.98x = 384,787,201,342.80
  5. Step 5: Solve for x
    x = 384,787,201,342.80/726,921.98
  6. Step 6: Final answer
    x = 529,337.69

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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.