Home / 526,493.12-789,739.04-171,506.56

Finding the Fourth Proportional to 526,493.12, 789,739.04 and 171,506.56

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Solution

The fourth proportional to 526,493.12, 789,739.04 and 171,506.56 is: 257,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,493.12 : 789,739.04 = 171,506.56 : x
  2. Step 2: Convert to fraction form
    526,493.12/789,739.04 = 171,506.56/x
  3. Step 3: Cross multiply
    526,493.12x = 789,739.04 × 171,506.56
  4. Step 4: Simplify right side
    526,493.12x = 135,445,426,048.10
  5. Step 5: Solve for x
    x = 135,445,426,048.10/526,493.12
  6. Step 6: Final answer
    x = 257,259.63

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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.