Home / 918,845.46-1,267,896.51-510,844.86

Finding the Fourth Proportional to 918,845.46, 1,267,896.51 and 510,844.86

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Solution

The fourth proportional to 918,845.46, 1,267,896.51 and 510,844.86 is: 704,904.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,845.46 : 1,267,896.51 = 510,844.86 : x
  2. Step 2: Convert to fraction form
    918,845.46/1,267,896.51 = 510,844.86/x
  3. Step 3: Cross multiply
    918,845.46x = 1,267,896.51 × 510,844.86
  4. Step 4: Simplify right side
    918,845.46x = 647,698,415,145.44
  5. Step 5: Solve for x
    x = 647,698,415,145.44/918,845.46
  6. Step 6: Final answer
    x = 704,904.63

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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.