Home / 911,921.26-1,258,516.50-504,014.32

Finding the Fourth Proportional to 911,921.26, 1,258,516.50 and 504,014.32

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Solution

The fourth proportional to 911,921.26, 1,258,516.50 and 504,014.32 is: 695,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,921.26 : 1,258,516.50 = 504,014.32 : x
  2. Step 2: Convert to fraction form
    911,921.26/1,258,516.50 = 504,014.32/x
  3. Step 3: Cross multiply
    911,921.26x = 1,258,516.50 × 504,014.32
  4. Step 4: Simplify right side
    911,921.26x = 634,310,337,956.28
  5. Step 5: Solve for x
    x = 634,310,337,956.28/911,921.26
  6. Step 6: Final answer
    x = 695,575.78

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1.5x scale

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.