Home / 914,455.55-1,371,462.74-381,687.77

Finding the Fourth Proportional to 914,455.55, 1,371,462.74 and 381,687.77

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Solution

The fourth proportional to 914,455.55, 1,371,462.74 and 381,687.77 is: 572,439.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,455.55 : 1,371,462.74 = 381,687.77 : x
  2. Step 2: Convert to fraction form
    914,455.55/1,371,462.74 = 381,687.77/x
  3. Step 3: Cross multiply
    914,455.55x = 1,371,462.74 × 381,687.77
  4. Step 4: Simplify right side
    914,455.55x = 523,470,557,820.24
  5. Step 5: Solve for x
    x = 523,470,557,820.24/914,455.55
  6. Step 6: Final answer
    x = 572,439.59

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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.