Home / 840,494.64-1,259,585.56-360,147.43

Finding the Fourth Proportional to 840,494.64, 1,259,585.56 and 360,147.43

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Solution

The fourth proportional to 840,494.64, 1,259,585.56 and 360,147.43 is: 539,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,494.64 : 1,259,585.56 = 360,147.43 : x
  2. Step 2: Convert to fraction form
    840,494.64/1,259,585.56 = 360,147.43/x
  3. Step 3: Cross multiply
    840,494.64x = 1,259,585.56 × 360,147.43
  4. Step 4: Simplify right side
    840,494.64x = 453,636,502,297.95
  5. Step 5: Solve for x
    x = 453,636,502,297.95/840,494.64
  6. Step 6: Final answer
    x = 539,725.63

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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.