Home / 846,091.53-1,269,141.62-285,130.89

Finding the Fourth Proportional to 846,091.53, 1,269,141.62 and 285,130.89

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Solution

The fourth proportional to 846,091.53, 1,269,141.62 and 285,130.89 is: 427,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,091.53 : 1,269,141.62 = 285,130.89 : x
  2. Step 2: Convert to fraction form
    846,091.53/1,269,141.62 = 285,130.89/x
  3. Step 3: Cross multiply
    846,091.53x = 1,269,141.62 × 285,130.89
  4. Step 4: Simplify right side
    846,091.53x = 361,871,478,220.99
  5. Step 5: Solve for x
    x = 361,871,478,220.99/846,091.53
  6. Step 6: Final answer
    x = 427,697.79

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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.