Home / 566,451.28-781,723.39-308,315.75

Finding the Fourth Proportional to 566,451.28, 781,723.39 and 308,315.75

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Solution

The fourth proportional to 566,451.28, 781,723.39 and 308,315.75 is: 425,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,451.28 : 781,723.39 = 308,315.75 : x
  2. Step 2: Convert to fraction form
    566,451.28/781,723.39 = 308,315.75/x
  3. Step 3: Cross multiply
    566,451.28x = 781,723.39 × 308,315.75
  4. Step 4: Simplify right side
    566,451.28x = 241,017,631,390.28
  5. Step 5: Solve for x
    x = 241,017,631,390.28/566,451.28
  6. Step 6: Final answer
    x = 425,486.96

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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.