Home / 903,610.08-1,355,424.84-272,529.36

Finding the Fourth Proportional to 903,610.08, 1,355,424.84 and 272,529.36

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Solution

The fourth proportional to 903,610.08, 1,355,424.84 and 272,529.36 is: 408,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,610.08 : 1,355,424.84 = 272,529.36 : x
  2. Step 2: Convert to fraction form
    903,610.08/1,355,424.84 = 272,529.36/x
  3. Step 3: Cross multiply
    903,610.08x = 1,355,424.84 × 272,529.36
  4. Step 4: Simplify right side
    903,610.08x = 369,393,064,173.30
  5. Step 5: Solve for x
    x = 369,393,064,173.30/903,610.08
  6. Step 6: Final answer
    x = 408,796.97

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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.