Home / 905,572.69-1,358,405.55-231,659.83

Finding the Fourth Proportional to 905,572.69, 1,358,405.55 and 231,659.83

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Solution

The fourth proportional to 905,572.69, 1,358,405.55 and 231,659.83 is: 347,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,572.69 : 1,358,405.55 = 231,659.83 : x
  2. Step 2: Convert to fraction form
    905,572.69/1,358,405.55 = 231,659.83/x
  3. Step 3: Cross multiply
    905,572.69x = 1,358,405.55 × 231,659.83
  4. Step 4: Simplify right side
    905,572.69x = 314,687,998,784.06
  5. Step 5: Solve for x
    x = 314,687,998,784.06/905,572.69
  6. Step 6: Final answer
    x = 347,501.64

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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.