Home / 993,416.36-1,490,179.62-283,389.80

Finding the Fourth Proportional to 993,416.36, 1,490,179.62 and 283,389.80

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Solution

The fourth proportional to 993,416.36, 1,490,179.62 and 283,389.80 is: 425,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,416.36 : 1,490,179.62 = 283,389.80 : x
  2. Step 2: Convert to fraction form
    993,416.36/1,490,179.62 = 283,389.80/x
  3. Step 3: Cross multiply
    993,416.36x = 1,490,179.62 × 283,389.80
  4. Step 4: Simplify right side
    993,416.36x = 422,301,704,475.88
  5. Step 5: Solve for x
    x = 422,301,704,475.88/993,416.36
  6. Step 6: Final answer
    x = 425,100.41

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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.