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Finding the Fourth Proportional to 526,040.64, 725,980.32 and 322,090.56

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Solution

The fourth proportional to 526,040.64, 725,980.32 and 322,090.56 is: 444,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,040.64 : 725,980.32 = 322,090.56 : x
  2. Step 2: Convert to fraction form
    526,040.64/725,980.32 = 322,090.56/x
  3. Step 3: Cross multiply
    526,040.64x = 725,980.32 × 322,090.56
  4. Step 4: Simplify right side
    526,040.64x = 233,831,407,817.78
  5. Step 5: Solve for x
    x = 233,831,407,817.78/526,040.64
  6. Step 6: Final answer
    x = 444,512.06

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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.