Home / 500,027.47-690,039.73-270,584.73

Finding the Fourth Proportional to 500,027.47, 690,039.73 and 270,584.73

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Solution

The fourth proportional to 500,027.47, 690,039.73 and 270,584.73 is: 373,407.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,027.47 : 690,039.73 = 270,584.73 : x
  2. Step 2: Convert to fraction form
    500,027.47/690,039.73 = 270,584.73/x
  3. Step 3: Cross multiply
    500,027.47x = 690,039.73 × 270,584.73
  4. Step 4: Simplify right side
    500,027.47x = 186,714,212,678.40
  5. Step 5: Solve for x
    x = 186,714,212,678.40/500,027.47
  6. Step 6: Final answer
    x = 373,407.91

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1.5x scale

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.