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Finding the Fourth Proportional to 675,005.48, 1,014,347.58 and 359,687.72

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Solution

The fourth proportional to 675,005.48, 1,014,347.58 and 359,687.72 is: 540,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,005.48 : 1,014,347.58 = 359,687.72 : x
  2. Step 2: Convert to fraction form
    675,005.48/1,014,347.58 = 359,687.72/x
  3. Step 3: Cross multiply
    675,005.48x = 1,014,347.58 × 359,687.72
  4. Step 4: Simplify right side
    675,005.48x = 364,848,368,337.72
  5. Step 5: Solve for x
    x = 364,848,368,337.72/675,005.48
  6. Step 6: Final answer
    x = 540,511.71

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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.