Home / 993,947.10-1,491,115.05-425,327.10

Finding the Fourth Proportional to 993,947.10, 1,491,115.05 and 425,327.10

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Solution

The fourth proportional to 993,947.10, 1,491,115.05 and 425,327.10 is: 638,073.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,947.10 : 1,491,115.05 = 425,327.10 : x
  2. Step 2: Convert to fraction form
    993,947.10/1,491,115.05 = 425,327.10/x
  3. Step 3: Cross multiply
    993,947.10x = 1,491,115.05 × 425,327.10
  4. Step 4: Simplify right side
    993,947.10x = 634,211,639,982.86
  5. Step 5: Solve for x
    x = 634,211,639,982.86/993,947.10
  6. Step 6: Final answer
    x = 638,073.84

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1.5x scale

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.