Home / 885,777.28-1,326,668.32-411,464.52

Finding the Fourth Proportional to 885,777.28, 1,326,668.32 and 411,464.52

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Solution

The fourth proportional to 885,777.28, 1,326,668.32 and 411,464.52 is: 616,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,777.28 : 1,326,668.32 = 411,464.52 : x
  2. Step 2: Convert to fraction form
    885,777.28/1,326,668.32 = 411,464.52/x
  3. Step 3: Cross multiply
    885,777.28x = 1,326,668.32 × 411,464.52
  4. Step 4: Simplify right side
    885,777.28x = 545,876,943,488.01
  5. Step 5: Solve for x
    x = 545,876,943,488.01/885,777.28
  6. Step 6: Final answer
    x = 616,268.85

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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.