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Finding the Fourth Proportional to 911,925, 1,367,887.50 and 247,077

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Solution

The fourth proportional to 911,925, 1,367,887.50 and 247,077 is: 370,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,925 : 1,367,887.50 = 247,077 : x
  2. Step 2: Convert to fraction form
    911,925/1,367,887.50 = 247,077/x
  3. Step 3: Cross multiply
    911,925x = 1,367,887.50 × 247,077
  4. Step 4: Simplify right side
    911,925x = 337,973,539,837.50
  5. Step 5: Solve for x
    x = 337,973,539,837.50/911,925
  6. Step 6: Final answer
    x = 370,615.50

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1.5x scale

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.