Home / 671,956.43-1,007,963.80-312,464.66

Finding the Fourth Proportional to 671,956.43, 1,007,963.80 and 312,464.66

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Solution

The fourth proportional to 671,956.43, 1,007,963.80 and 312,464.66 is: 468,710.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,956.43 : 1,007,963.80 = 312,464.66 : x
  2. Step 2: Convert to fraction form
    671,956.43/1,007,963.80 = 312,464.66/x
  3. Step 3: Cross multiply
    671,956.43x = 1,007,963.80 × 312,464.66
  4. Step 4: Simplify right side
    671,956.43x = 314,953,060,238.33
  5. Step 5: Solve for x
    x = 314,953,060,238.33/671,956.43
  6. Step 6: Final answer
    x = 468,710.54

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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.