Home / 841,855.44-1,263,094.20-309,724.32

Finding the Fourth Proportional to 841,855.44, 1,263,094.20 and 309,724.32

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Solution

The fourth proportional to 841,855.44, 1,263,094.20 and 309,724.32 is: 464,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,855.44 : 1,263,094.20 = 309,724.32 : x
  2. Step 2: Convert to fraction form
    841,855.44/1,263,094.20 = 309,724.32/x
  3. Step 3: Cross multiply
    841,855.44x = 1,263,094.20 × 309,724.32
  4. Step 4: Simplify right side
    841,855.44x = 391,210,992,190.94
  5. Step 5: Solve for x
    x = 391,210,992,190.94/841,855.44
  6. Step 6: Final answer
    x = 464,700.91

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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.