Home / 859,623.60-1,287,663.39-503,558.22

Finding the Fourth Proportional to 859,623.60, 1,287,663.39 and 503,558.22

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Solution

The fourth proportional to 859,623.60, 1,287,663.39 and 503,558.22 is: 754,299.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,623.60 : 1,287,663.39 = 503,558.22 : x
  2. Step 2: Convert to fraction form
    859,623.60/1,287,663.39 = 503,558.22/x
  3. Step 3: Cross multiply
    859,623.60x = 1,287,663.39 × 503,558.22
  4. Step 4: Simplify right side
    859,623.60x = 648,413,484,627.57
  5. Step 5: Solve for x
    x = 648,413,484,627.57/859,623.60
  6. Step 6: Final answer
    x = 754,299.31

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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.