Home / 911,914.32-1,258,506.89-504,007.40

Finding the Fourth Proportional to 911,914.32, 1,258,506.89 and 504,007.40

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Solution

The fourth proportional to 911,914.32, 1,258,506.89 and 504,007.40 is: 695,566.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,914.32 : 1,258,506.89 = 504,007.40 : x
  2. Step 2: Convert to fraction form
    911,914.32/1,258,506.89 = 504,007.40/x
  3. Step 3: Cross multiply
    911,914.32x = 1,258,506.89 × 504,007.40
  4. Step 4: Simplify right side
    911,914.32x = 634,296,788,027.24
  5. Step 5: Solve for x
    x = 634,296,788,027.24/911,914.32
  6. Step 6: Final answer
    x = 695,566.21

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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.