Home / 931,687.64-1,285,774.50-523,917.80

Finding the Fourth Proportional to 931,687.64, 1,285,774.50 and 523,917.80

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Solution

The fourth proportional to 931,687.64, 1,285,774.50 and 523,917.80 is: 723,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,687.64 : 1,285,774.50 = 523,917.80 : x
  2. Step 2: Convert to fraction form
    931,687.64/1,285,774.50 = 523,917.80/x
  3. Step 3: Cross multiply
    931,687.64x = 1,285,774.50 × 523,917.80
  4. Step 4: Simplify right side
    931,687.64x = 673,640,147,336.10
  5. Step 5: Solve for x
    x = 673,640,147,336.10/931,687.64
  6. Step 6: Final answer
    x = 723,032.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.