Home / 950,637.78-1,425,955.14-319,994.46

Finding the Fourth Proportional to 950,637.78, 1,425,955.14 and 319,994.46

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Solution

The fourth proportional to 950,637.78, 1,425,955.14 and 319,994.46 is: 479,991.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,637.78 : 1,425,955.14 = 319,994.46 : x
  2. Step 2: Convert to fraction form
    950,637.78/1,425,955.14 = 319,994.46/x
  3. Step 3: Cross multiply
    950,637.78x = 1,425,955.14 × 319,994.46
  4. Step 4: Simplify right side
    950,637.78x = 456,297,745,008.52
  5. Step 5: Solve for x
    x = 456,297,745,008.52/950,637.78
  6. Step 6: Final answer
    x = 479,991.17

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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.