Home / 566,268.58-781,440.53-308,136.75

Finding the Fourth Proportional to 566,268.58, 781,440.53 and 308,136.75

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Solution

The fourth proportional to 566,268.58, 781,440.53 and 308,136.75 is: 425,223.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,268.58 : 781,440.53 = 308,136.75 : x
  2. Step 2: Convert to fraction form
    566,268.58/781,440.53 = 308,136.75/x
  3. Step 3: Cross multiply
    566,268.58x = 781,440.53 × 308,136.75
  4. Step 4: Simplify right side
    566,268.58x = 240,790,541,325.28
  5. Step 5: Solve for x
    x = 240,790,541,325.28/566,268.58
  6. Step 6: Final answer
    x = 425,223.21

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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.