Home / 762,234.40-1,051,948.08-422,812

Finding the Fourth Proportional to 762,234.40, 1,051,948.08 and 422,812

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Solution

The fourth proportional to 762,234.40, 1,051,948.08 and 422,812 is: 583,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,234.40 : 1,051,948.08 = 422,812 : x
  2. Step 2: Convert to fraction form
    762,234.40/1,051,948.08 = 422,812/x
  3. Step 3: Cross multiply
    762,234.40x = 1,051,948.08 × 422,812
  4. Step 4: Simplify right side
    762,234.40x = 444,776,271,600.96
  5. Step 5: Solve for x
    x = 444,776,271,600.96/762,234.40
  6. Step 6: Final answer
    x = 583,516.40

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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.