Home / 569,849.31-852,919.61-420,029.55

Finding the Fourth Proportional to 569,849.31, 852,919.61 and 420,029.55

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Solution

The fourth proportional to 569,849.31, 852,919.61 and 420,029.55 is: 628,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,849.31 : 852,919.61 = 420,029.55 : x
  2. Step 2: Convert to fraction form
    569,849.31/852,919.61 = 420,029.55/x
  3. Step 3: Cross multiply
    569,849.31x = 852,919.61 × 420,029.55
  4. Step 4: Simplify right side
    569,849.31x = 358,251,437,874.33
  5. Step 5: Solve for x
    x = 358,251,437,874.33/569,849.31
  6. Step 6: Final answer
    x = 628,677.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.