Home / 903,640.05-1,354,740.80-447,910.56

Finding the Fourth Proportional to 903,640.05, 1,354,740.80 and 447,910.56

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Solution

The fourth proportional to 903,640.05, 1,354,740.80 and 447,910.56 is: 671,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,640.05 : 1,354,740.80 = 447,910.56 : x
  2. Step 2: Convert to fraction form
    903,640.05/1,354,740.80 = 447,910.56/x
  3. Step 3: Cross multiply
    903,640.05x = 1,354,740.80 × 447,910.56
  4. Step 4: Simplify right side
    903,640.05x = 606,802,708,143.30
  5. Step 5: Solve for x
    x = 606,802,708,143.30/903,640.05
  6. Step 6: Final answer
    x = 671,509.31

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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.