Home / 845,107.74-1,166,278.57-463,134.56

Finding the Fourth Proportional to 845,107.74, 1,166,278.57 and 463,134.56

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Solution

The fourth proportional to 845,107.74, 1,166,278.57 and 463,134.56 is: 639,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,107.74 : 1,166,278.57 = 463,134.56 : x
  2. Step 2: Convert to fraction form
    845,107.74/1,166,278.57 = 463,134.56/x
  3. Step 3: Cross multiply
    845,107.74x = 1,166,278.57 × 463,134.56
  4. Step 4: Simplify right side
    845,107.74x = 540,143,905,365.15
  5. Step 5: Solve for x
    x = 540,143,905,365.15/845,107.74
  6. Step 6: Final answer
    x = 639,142.06

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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.