Home / 751,448.14-1,127,188.62-452,179.06

Finding the Fourth Proportional to 751,448.14, 1,127,188.62 and 452,179.06

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Solution

The fourth proportional to 751,448.14, 1,127,188.62 and 452,179.06 is: 678,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,448.14 : 1,127,188.62 = 452,179.06 : x
  2. Step 2: Convert to fraction form
    751,448.14/1,127,188.62 = 452,179.06/x
  3. Step 3: Cross multiply
    751,448.14x = 1,127,188.62 × 452,179.06
  4. Step 4: Simplify right side
    751,448.14x = 509,691,090,634.30
  5. Step 5: Solve for x
    x = 509,691,090,634.30/751,448.14
  6. Step 6: Final answer
    x = 678,278.46

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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.