Home / 840,874.70-1,261,705.71-367,498.55

Finding the Fourth Proportional to 840,874.70, 1,261,705.71 and 367,498.55

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Solution

The fourth proportional to 840,874.70, 1,261,705.71 and 367,498.55 is: 551,419.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,874.70 : 1,261,705.71 = 367,498.55 : x
  2. Step 2: Convert to fraction form
    840,874.70/1,261,705.71 = 367,498.55/x
  3. Step 3: Cross multiply
    840,874.70x = 1,261,705.71 × 367,498.55
  4. Step 4: Simplify right side
    840,874.70x = 463,675,018,951.72
  5. Step 5: Solve for x
    x = 463,675,018,951.72/840,874.70
  6. Step 6: Final answer
    x = 551,419.87

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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.