Home / 916,249.60-1,374,662.40-442,950.40

Finding the Fourth Proportional to 916,249.60, 1,374,662.40 and 442,950.40

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Solution

The fourth proportional to 916,249.60, 1,374,662.40 and 442,950.40 is: 664,564.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,249.60 : 1,374,662.40 = 442,950.40 : x
  2. Step 2: Convert to fraction form
    916,249.60/1,374,662.40 = 442,950.40/x
  3. Step 3: Cross multiply
    916,249.60x = 1,374,662.40 × 442,950.40
  4. Step 4: Simplify right side
    916,249.60x = 608,907,259,944.96
  5. Step 5: Solve for x
    x = 608,907,259,944.96/916,249.60
  6. Step 6: Final answer
    x = 664,564.83

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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.