Home / 768,804.54-1,153,316.87-236,370.28

Finding the Fourth Proportional to 768,804.54, 1,153,316.87 and 236,370.28

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Solution

The fourth proportional to 768,804.54, 1,153,316.87 and 236,370.28 is: 354,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,804.54 : 1,153,316.87 = 236,370.28 : x
  2. Step 2: Convert to fraction form
    768,804.54/1,153,316.87 = 236,370.28/x
  3. Step 3: Cross multiply
    768,804.54x = 1,153,316.87 × 236,370.28
  4. Step 4: Simplify right side
    768,804.54x = 272,609,831,490.62
  5. Step 5: Solve for x
    x = 272,609,831,490.62/768,804.54
  6. Step 6: Final answer
    x = 354,589.26

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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.