Home / 751,408.14-1,125,242.31-525,712.56

Finding the Fourth Proportional to 751,408.14, 1,125,242.31 and 525,712.56

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Solution

The fourth proportional to 751,408.14, 1,125,242.31 and 525,712.56 is: 787,260.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,408.14 : 1,125,242.31 = 525,712.56 : x
  2. Step 2: Convert to fraction form
    751,408.14/1,125,242.31 = 525,712.56/x
  3. Step 3: Cross multiply
    751,408.14x = 1,125,242.31 × 525,712.56
  4. Step 4: Simplify right side
    751,408.14x = 591,554,015,410.41
  5. Step 5: Solve for x
    x = 591,554,015,410.41/751,408.14
  6. Step 6: Final answer
    x = 787,260.59

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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.