Home / 911,917.32-1,258,511.04-504,010.40

Finding the Fourth Proportional to 911,917.32, 1,258,511.04 and 504,010.40

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Solution

The fourth proportional to 911,917.32, 1,258,511.04 and 504,010.40 is: 695,570.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,917.32 : 1,258,511.04 = 504,010.40 : x
  2. Step 2: Convert to fraction form
    911,917.32/1,258,511.04 = 504,010.40/x
  3. Step 3: Cross multiply
    911,917.32x = 1,258,511.04 × 504,010.40
  4. Step 4: Simplify right side
    911,917.32x = 634,302,652,674.82
  5. Step 5: Solve for x
    x = 634,302,652,674.82/911,917.32
  6. Step 6: Final answer
    x = 695,570.35

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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.