Home / 744,840.54-1,028,228.31-476,724.06

Finding the Fourth Proportional to 744,840.54, 1,028,228.31 and 476,724.06

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Solution

The fourth proportional to 744,840.54, 1,028,228.31 and 476,724.06 is: 658,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,840.54 : 1,028,228.31 = 476,724.06 : x
  2. Step 2: Convert to fraction form
    744,840.54/1,028,228.31 = 476,724.06/x
  3. Step 3: Cross multiply
    744,840.54x = 1,028,228.31 × 476,724.06
  4. Step 4: Simplify right side
    744,840.54x = 490,181,174,550.14
  5. Step 5: Solve for x
    x = 490,181,174,550.14/744,840.54
  6. Step 6: Final answer
    x = 658,102.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.