Home / 840,026.50-1,259,533.09-334,665.47

Finding the Fourth Proportional to 840,026.50, 1,259,533.09 and 334,665.47

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Solution

The fourth proportional to 840,026.50, 1,259,533.09 and 334,665.47 is: 501,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,026.50 : 1,259,533.09 = 334,665.47 : x
  2. Step 2: Convert to fraction form
    840,026.50/1,259,533.09 = 334,665.47/x
  3. Step 3: Cross multiply
    840,026.50x = 1,259,533.09 × 334,665.47
  4. Step 4: Simplify right side
    840,026.50x = 421,522,237,112.57
  5. Step 5: Solve for x
    x = 421,522,237,112.57/840,026.50
  6. Step 6: Final answer
    x = 501,796.36

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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.