Home / 916,067.60-1,374,389.40-442,768.40

Finding the Fourth Proportional to 916,067.60, 1,374,389.40 and 442,768.40

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Solution

The fourth proportional to 916,067.60, 1,374,389.40 and 442,768.40 is: 664,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,067.60 : 1,374,389.40 = 442,768.40 : x
  2. Step 2: Convert to fraction form
    916,067.60/1,374,389.40 = 442,768.40/x
  3. Step 3: Cross multiply
    916,067.60x = 1,374,389.40 × 442,768.40
  4. Step 4: Simplify right side
    916,067.60x = 608,536,195,614.96
  5. Step 5: Solve for x
    x = 608,536,195,614.96/916,067.60
  6. Step 6: Final answer
    x = 664,291.80

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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.