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Finding the Fourth Proportional to 654,870.72, 903,751.30 and 364,500.82

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Solution

The fourth proportional to 654,870.72, 903,751.30 and 364,500.82 is: 503,027.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,870.72 : 903,751.30 = 364,500.82 : x
  2. Step 2: Convert to fraction form
    654,870.72/903,751.30 = 364,500.82/x
  3. Step 3: Cross multiply
    654,870.72x = 903,751.30 × 364,500.82
  4. Step 4: Simplify right side
    654,870.72x = 329,418,083,584.81
  5. Step 5: Solve for x
    x = 329,418,083,584.81/654,870.72
  6. Step 6: Final answer
    x = 503,027.66

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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.