Home / 903,707.48-1,355,562.96-272,621.90

Finding the Fourth Proportional to 903,707.48, 1,355,562.96 and 272,621.90

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Solution

The fourth proportional to 903,707.48, 1,355,562.96 and 272,621.90 is: 408,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,707.48 : 1,355,562.96 = 272,621.90 : x
  2. Step 2: Convert to fraction form
    903,707.48/1,355,562.96 = 272,621.90/x
  3. Step 3: Cross multiply
    903,707.48x = 1,355,562.96 × 272,621.90
  4. Step 4: Simplify right side
    903,707.48x = 369,556,149,724.82
  5. Step 5: Solve for x
    x = 369,556,149,724.82/903,707.48
  6. Step 6: Final answer
    x = 408,933.37

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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.