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Finding the Fourth Proportional to 505,796.73, 758,041.07 and 378,437.73

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Solution

The fourth proportional to 505,796.73, 758,041.07 and 378,437.73 is: 567,167.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,796.73 : 758,041.07 = 378,437.73 : x
  2. Step 2: Convert to fraction form
    505,796.73/758,041.07 = 378,437.73/x
  3. Step 3: Cross multiply
    505,796.73x = 758,041.07 × 378,437.73
  4. Step 4: Simplify right side
    505,796.73x = 286,871,341,777.57
  5. Step 5: Solve for x
    x = 286,871,341,777.57/505,796.73
  6. Step 6: Final answer
    x = 567,167.25

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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.