Home / 899,274.60-1,349,577.72-425,961.36

Finding the Fourth Proportional to 899,274.60, 1,349,577.72 and 425,961.36

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Solution

The fourth proportional to 899,274.60, 1,349,577.72 and 425,961.36 is: 639,257.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,274.60 : 1,349,577.72 = 425,961.36 : x
  2. Step 2: Convert to fraction form
    899,274.60/1,349,577.72 = 425,961.36/x
  3. Step 3: Cross multiply
    899,274.60x = 1,349,577.72 × 425,961.36
  4. Step 4: Simplify right side
    899,274.60x = 574,867,961,036.90
  5. Step 5: Solve for x
    x = 574,867,961,036.90/899,274.60
  6. Step 6: Final answer
    x = 639,257.42

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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.