Home / 885,776.99-1,326,667.88-411,464.21

Finding the Fourth Proportional to 885,776.99, 1,326,667.88 and 411,464.21

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Solution

The fourth proportional to 885,776.99, 1,326,667.88 and 411,464.21 is: 616,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,776.99 : 1,326,667.88 = 411,464.21 : x
  2. Step 2: Convert to fraction form
    885,776.99/1,326,667.88 = 411,464.21/x
  3. Step 3: Cross multiply
    885,776.99x = 1,326,667.88 × 411,464.21
  4. Step 4: Simplify right side
    885,776.99x = 545,876,342,485.91
  5. Step 5: Solve for x
    x = 545,876,342,485.91/885,776.99
  6. Step 6: Final answer
    x = 616,268.37

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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.