Home / 993,260.80-1,489,904.70-283,288.78

Finding the Fourth Proportional to 993,260.80, 1,489,904.70 and 283,288.78

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Solution

The fourth proportional to 993,260.80, 1,489,904.70 and 283,288.78 is: 424,937.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,260.80 : 1,489,904.70 = 283,288.78 : x
  2. Step 2: Convert to fraction form
    993,260.80/1,489,904.70 = 283,288.78/x
  3. Step 3: Cross multiply
    993,260.80x = 1,489,904.70 × 283,288.78
  4. Step 4: Simplify right side
    993,260.80x = 422,073,284,779.27
  5. Step 5: Solve for x
    x = 422,073,284,779.27/993,260.80
  6. Step 6: Final answer
    x = 424,937.02

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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.