Home / 748,102.05-1,032,387.43-425,832.90

Finding the Fourth Proportional to 748,102.05, 1,032,387.43 and 425,832.90

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Solution

The fourth proportional to 748,102.05, 1,032,387.43 and 425,832.90 is: 587,653.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,102.05 : 1,032,387.43 = 425,832.90 : x
  2. Step 2: Convert to fraction form
    748,102.05/1,032,387.43 = 425,832.90/x
  3. Step 3: Cross multiply
    748,102.05x = 1,032,387.43 × 425,832.90
  4. Step 4: Simplify right side
    748,102.05x = 439,624,529,102.85
  5. Step 5: Solve for x
    x = 439,624,529,102.85/748,102.05
  6. Step 6: Final answer
    x = 587,653.15

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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.