Home / 907,837.50-1,361,362.38-308,637.72

Finding the Fourth Proportional to 907,837.50, 1,361,362.38 and 308,637.72

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Solution

The fourth proportional to 907,837.50, 1,361,362.38 and 308,637.72 is: 462,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,837.50 : 1,361,362.38 = 308,637.72 : x
  2. Step 2: Convert to fraction form
    907,837.50/1,361,362.38 = 308,637.72/x
  3. Step 3: Cross multiply
    907,837.50x = 1,361,362.38 × 308,637.72
  4. Step 4: Simplify right side
    907,837.50x = 420,167,781,056.97
  5. Step 5: Solve for x
    x = 420,167,781,056.97/907,837.50
  6. Step 6: Final answer
    x = 462,822.68

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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.