Home / 911,911.56-1,258,503.10-504,004.62

Finding the Fourth Proportional to 911,911.56, 1,258,503.10 and 504,004.62

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Solution

The fourth proportional to 911,911.56, 1,258,503.10 and 504,004.62 is: 695,562.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,911.56 : 1,258,503.10 = 504,004.62 : x
  2. Step 2: Convert to fraction form
    911,911.56/1,258,503.10 = 504,004.62/x
  3. Step 3: Cross multiply
    911,911.56x = 1,258,503.10 × 504,004.62
  4. Step 4: Simplify right side
    911,911.56x = 634,291,375,899.64
  5. Step 5: Solve for x
    x = 634,291,375,899.64/911,911.56
  6. Step 6: Final answer
    x = 695,562.38

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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.