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Finding the Fourth Proportional to 614,571.60, 848,760.84 and 500,147.28

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Solution

The fourth proportional to 614,571.60, 848,760.84 and 500,147.28 is: 690,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,571.60 : 848,760.84 = 500,147.28 : x
  2. Step 2: Convert to fraction form
    614,571.60/848,760.84 = 500,147.28/x
  3. Step 3: Cross multiply
    614,571.60x = 848,760.84 × 500,147.28
  4. Step 4: Simplify right side
    614,571.60x = 424,505,425,496.52
  5. Step 5: Solve for x
    x = 424,505,425,496.52/614,571.60
  6. Step 6: Final answer
    x = 690,733.88

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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.