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Finding the Fourth Proportional to 615,067.70, 922,601.55 and 608,846.90

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Solution

The fourth proportional to 615,067.70, 922,601.55 and 608,846.90 is: 913,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,067.70 : 922,601.55 = 608,846.90 : x
  2. Step 2: Convert to fraction form
    615,067.70/922,601.55 = 608,846.90/x
  3. Step 3: Cross multiply
    615,067.70x = 922,601.55 × 608,846.90
  4. Step 4: Simplify right side
    615,067.70x = 561,723,093,652.70
  5. Step 5: Solve for x
    x = 561,723,093,652.70/615,067.70
  6. Step 6: Final answer
    x = 913,270.35

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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.