Home / 993,908.10-1,491,056.55-425,288.10

Finding the Fourth Proportional to 993,908.10, 1,491,056.55 and 425,288.10

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Solution

The fourth proportional to 993,908.10, 1,491,056.55 and 425,288.10 is: 638,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,908.10 : 1,491,056.55 = 425,288.10 : x
  2. Step 2: Convert to fraction form
    993,908.10/1,491,056.55 = 425,288.10/x
  3. Step 3: Cross multiply
    993,908.10x = 1,491,056.55 × 425,288.10
  4. Step 4: Simplify right side
    993,908.10x = 634,128,607,142.06
  5. Step 5: Solve for x
    x = 634,128,607,142.06/993,908.10
  6. Step 6: Final answer
    x = 638,015.33

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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.