Home / 950,262.78-1,425,690.63-319,203.96

Finding the Fourth Proportional to 950,262.78, 1,425,690.63 and 319,203.96

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Solution

The fourth proportional to 950,262.78, 1,425,690.63 and 319,203.96 is: 478,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,262.78 : 1,425,690.63 = 319,203.96 : x
  2. Step 2: Convert to fraction form
    950,262.78/1,425,690.63 = 319,203.96/x
  3. Step 3: Cross multiply
    950,262.78x = 1,425,690.63 × 319,203.96
  4. Step 4: Simplify right side
    950,262.78x = 455,086,094,830.90
  5. Step 5: Solve for x
    x = 455,086,094,830.90/950,262.78
  6. Step 6: Final answer
    x = 478,905.52

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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.