Home / 863,269.76-1,191,399.36-500,804.48

Finding the Fourth Proportional to 863,269.76, 1,191,399.36 and 500,804.48

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Solution

The fourth proportional to 863,269.76, 1,191,399.36 and 500,804.48 is: 691,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,269.76 : 1,191,399.36 = 500,804.48 : x
  2. Step 2: Convert to fraction form
    863,269.76/1,191,399.36 = 500,804.48/x
  3. Step 3: Cross multiply
    863,269.76x = 1,191,399.36 × 500,804.48
  4. Step 4: Simplify right side
    863,269.76x = 596,658,136,957.13
  5. Step 5: Solve for x
    x = 596,658,136,957.13/863,269.76
  6. Step 6: Final answer
    x = 691,160.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.