Home / 848,136.86-1,272,202.73-342,691.89

Finding the Fourth Proportional to 848,136.86, 1,272,202.73 and 342,691.89

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Solution

The fourth proportional to 848,136.86, 1,272,202.73 and 342,691.89 is: 514,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,136.86 : 1,272,202.73 = 342,691.89 : x
  2. Step 2: Convert to fraction form
    848,136.86/1,272,202.73 = 342,691.89/x
  3. Step 3: Cross multiply
    848,136.86x = 1,272,202.73 × 342,691.89
  4. Step 4: Simplify right side
    848,136.86x = 435,973,557,349.63
  5. Step 5: Solve for x
    x = 435,973,557,349.63/848,136.86
  6. Step 6: Final answer
    x = 514,036.80

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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.