Home / 911,922.39-1,258,518.05-504,015.46

Finding the Fourth Proportional to 911,922.39, 1,258,518.05 and 504,015.46

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Solution

The fourth proportional to 911,922.39, 1,258,518.05 and 504,015.46 is: 695,577.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,922.39 : 1,258,518.05 = 504,015.46 : x
  2. Step 2: Convert to fraction form
    911,922.39/1,258,518.05 = 504,015.46/x
  3. Step 3: Cross multiply
    911,922.39x = 1,258,518.05 × 504,015.46
  4. Step 4: Simplify right side
    911,922.39x = 634,312,553,889.05
  5. Step 5: Solve for x
    x = 634,312,553,889.05/911,922.39
  6. Step 6: Final answer
    x = 695,577.34

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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.