Home / 840,032.42-1,260,046.13-208,946.25

Finding the Fourth Proportional to 840,032.42, 1,260,046.13 and 208,946.25

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Solution

The fourth proportional to 840,032.42, 1,260,046.13 and 208,946.25 is: 313,418.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,032.42 : 1,260,046.13 = 208,946.25 : x
  2. Step 2: Convert to fraction form
    840,032.42/1,260,046.13 = 208,946.25/x
  3. Step 3: Cross multiply
    840,032.42x = 1,260,046.13 × 208,946.25
  4. Step 4: Simplify right side
    840,032.42x = 263,281,912,645.78
  5. Step 5: Solve for x
    x = 263,281,912,645.78/840,032.42
  6. Step 6: Final answer
    x = 313,418.75

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Similar ratio
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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.