Home / 879,529.82-1,213,753.48-477,121.82

Finding the Fourth Proportional to 879,529.82, 1,213,753.48 and 477,121.82

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Solution

The fourth proportional to 879,529.82, 1,213,753.48 and 477,121.82 is: 658,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,529.82 : 1,213,753.48 = 477,121.82 : x
  2. Step 2: Convert to fraction form
    879,529.82/1,213,753.48 = 477,121.82/x
  3. Step 3: Cross multiply
    879,529.82x = 1,213,753.48 × 477,121.82
  4. Step 4: Simplify right side
    879,529.82x = 579,108,262,147.36
  5. Step 5: Solve for x
    x = 579,108,262,147.36/879,529.82
  6. Step 6: Final answer
    x = 658,429.37

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1.5x scale

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.