Home / 755,345.75-1,133,056.28-215,682.08

Finding the Fourth Proportional to 755,345.75, 1,133,056.28 and 215,682.08

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Solution

The fourth proportional to 755,345.75, 1,133,056.28 and 215,682.08 is: 323,533.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,345.75 : 1,133,056.28 = 215,682.08 : x
  2. Step 2: Convert to fraction form
    755,345.75/1,133,056.28 = 215,682.08/x
  3. Step 3: Cross multiply
    755,345.75x = 1,133,056.28 × 215,682.08
  4. Step 4: Simplify right side
    755,345.75x = 244,379,928,483.77
  5. Step 5: Solve for x
    x = 244,379,928,483.77/755,345.75
  6. Step 6: Final answer
    x = 323,533.86

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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.