Home / 885,775.25-1,326,665.27-411,462.47

Finding the Fourth Proportional to 885,775.25, 1,326,665.27 and 411,462.47

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Solution

The fourth proportional to 885,775.25, 1,326,665.27 and 411,462.47 is: 616,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,775.25 : 1,326,665.27 = 411,462.47 : x
  2. Step 2: Convert to fraction form
    885,775.25/1,326,665.27 = 411,462.47/x
  3. Step 3: Cross multiply
    885,775.25x = 1,326,665.27 × 411,462.47
  4. Step 4: Simplify right side
    885,775.25x = 545,872,960,166.78
  5. Step 5: Solve for x
    x = 545,872,960,166.78/885,775.25
  6. Step 6: Final answer
    x = 616,265.77

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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.