Home / 993,457.38-1,490,199.78-283,485.24

Finding the Fourth Proportional to 993,457.38, 1,490,199.78 and 283,485.24

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Solution

The fourth proportional to 993,457.38, 1,490,199.78 and 283,485.24 is: 425,231.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,457.38 : 1,490,199.78 = 283,485.24 : x
  2. Step 2: Convert to fraction form
    993,457.38/1,490,199.78 = 283,485.24/x
  3. Step 3: Cross multiply
    993,457.38x = 1,490,199.78 × 283,485.24
  4. Step 4: Simplify right side
    993,457.38x = 422,449,642,281.25
  5. Step 5: Solve for x
    x = 422,449,642,281.25/993,457.38
  6. Step 6: Final answer
    x = 425,231.77

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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.