Home / 993,372.80-1,489,216.80-361,918.40

Finding the Fourth Proportional to 993,372.80, 1,489,216.80 and 361,918.40

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Solution

The fourth proportional to 993,372.80, 1,489,216.80 and 361,918.40 is: 542,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,372.80 : 1,489,216.80 = 361,918.40 : x
  2. Step 2: Convert to fraction form
    993,372.80/1,489,216.80 = 361,918.40/x
  3. Step 3: Cross multiply
    993,372.80x = 1,489,216.80 × 361,918.40
  4. Step 4: Simplify right side
    993,372.80x = 538,974,961,509.12
  5. Step 5: Solve for x
    x = 538,974,961,509.12/993,372.80
  6. Step 6: Final answer
    x = 542,570.69

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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.