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Finding the Fourth Proportional to 634,797.67, 876,035.92 and 362,890.87

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Solution

The fourth proportional to 634,797.67, 876,035.92 and 362,890.87 is: 500,798.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,797.67 : 876,035.92 = 362,890.87 : x
  2. Step 2: Convert to fraction form
    634,797.67/876,035.92 = 362,890.87/x
  3. Step 3: Cross multiply
    634,797.67x = 876,035.92 × 362,890.87
  4. Step 4: Simplify right side
    634,797.67x = 317,905,433,687.10
  5. Step 5: Solve for x
    x = 317,905,433,687.10/634,797.67
  6. Step 6: Final answer
    x = 500,798.05

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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.