Home / 911,910.36-1,258,397.10-503,991.12

Finding the Fourth Proportional to 911,910.36, 1,258,397.10 and 503,991.12

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Solution

The fourth proportional to 911,910.36, 1,258,397.10 and 503,991.12 is: 695,486.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,910.36 : 1,258,397.10 = 503,991.12 : x
  2. Step 2: Convert to fraction form
    911,910.36/1,258,397.10 = 503,991.12/x
  3. Step 3: Cross multiply
    911,910.36x = 1,258,397.10 × 503,991.12
  4. Step 4: Simplify right side
    911,910.36x = 634,220,963,833.75
  5. Step 5: Solve for x
    x = 634,220,963,833.75/911,910.36
  6. Step 6: Final answer
    x = 695,486.08

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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.