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Finding the Fourth Proportional to 660,537.48, 911,597.94 and 374,108.52

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Solution

The fourth proportional to 660,537.48, 911,597.94 and 374,108.52 is: 516,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,537.48 : 911,597.94 = 374,108.52 : x
  2. Step 2: Convert to fraction form
    660,537.48/911,597.94 = 374,108.52/x
  3. Step 3: Cross multiply
    660,537.48x = 911,597.94 × 374,108.52
  4. Step 4: Simplify right side
    660,537.48x = 341,036,556,168.45
  5. Step 5: Solve for x
    x = 341,036,556,168.45/660,537.48
  6. Step 6: Final answer
    x = 516,301.60

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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.