Home / 911,885.09-1,258,362.27-503,965.85

Finding the Fourth Proportional to 911,885.09, 1,258,362.27 and 503,965.85

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Solution

The fourth proportional to 911,885.09, 1,258,362.27 and 503,965.85 is: 695,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,885.09 : 1,258,362.27 = 503,965.85 : x
  2. Step 2: Convert to fraction form
    911,885.09/1,258,362.27 = 503,965.85/x
  3. Step 3: Cross multiply
    911,885.09x = 1,258,362.27 × 503,965.85
  4. Step 4: Simplify right side
    911,885.09x = 634,171,604,716.67
  5. Step 5: Solve for x
    x = 634,171,604,716.67/911,885.09
  6. Step 6: Final answer
    x = 695,451.23

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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.