Home / 993,259.80-1,489,903.20-283,287.78

Finding the Fourth Proportional to 993,259.80, 1,489,903.20 and 283,287.78

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Solution

The fourth proportional to 993,259.80, 1,489,903.20 and 283,287.78 is: 424,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,259.80 : 1,489,903.20 = 283,287.78 : x
  2. Step 2: Convert to fraction form
    993,259.80/1,489,903.20 = 283,287.78/x
  3. Step 3: Cross multiply
    993,259.80x = 1,489,903.20 × 283,287.78
  4. Step 4: Simplify right side
    993,259.80x = 422,071,369,942.90
  5. Step 5: Solve for x
    x = 422,071,369,942.90/993,259.80
  6. Step 6: Final answer
    x = 424,935.52

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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.