Home / 559,938.33-772,731.78-305,293.77

Finding the Fourth Proportional to 559,938.33, 772,731.78 and 305,293.77

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Solution

The fourth proportional to 559,938.33, 772,731.78 and 305,293.77 is: 421,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,938.33 : 772,731.78 = 305,293.77 : x
  2. Step 2: Convert to fraction form
    559,938.33/772,731.78 = 305,293.77/x
  3. Step 3: Cross multiply
    559,938.33x = 772,731.78 × 305,293.77
  4. Step 4: Simplify right side
    559,938.33x = 235,910,198,315.01
  5. Step 5: Solve for x
    x = 235,910,198,315.01/559,938.33
  6. Step 6: Final answer
    x = 421,314.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.