Home / 911,913.32-1,258,505.54-504,006.38

Finding the Fourth Proportional to 911,913.32, 1,258,505.54 and 504,006.38

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Solution

The fourth proportional to 911,913.32, 1,258,505.54 and 504,006.38 is: 695,564.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,913.32 : 1,258,505.54 = 504,006.38 : x
  2. Step 2: Convert to fraction form
    911,913.32/1,258,505.54 = 504,006.38/x
  3. Step 3: Cross multiply
    911,913.32x = 1,258,505.54 × 504,006.38
  4. Step 4: Simplify right side
    911,913.32x = 634,294,826,301.30
  5. Step 5: Solve for x
    x = 634,294,826,301.30/911,913.32
  6. Step 6: Final answer
    x = 695,564.82

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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.