Home / 840,403.19-1,260,358.73-334,796.12

Finding the Fourth Proportional to 840,403.19, 1,260,358.73 and 334,796.12

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Solution

The fourth proportional to 840,403.19, 1,260,358.73 and 334,796.12 is: 502,096.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,403.19 : 1,260,358.73 = 334,796.12 : x
  2. Step 2: Convert to fraction form
    840,403.19/1,260,358.73 = 334,796.12/x
  3. Step 3: Cross multiply
    840,403.19x = 1,260,358.73 × 334,796.12
  4. Step 4: Simplify right side
    840,403.19x = 421,963,204,636.35
  5. Step 5: Solve for x
    x = 421,963,204,636.35/840,403.19
  6. Step 6: Final answer
    x = 502,096.15

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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.