Finding the Fourth Proportional to 911,684.58, 1,258,121.61 and 503,775.06
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Solution
The fourth proportional to 911,684.58, 1,258,121.61 and 503,775.06 is: 695,207.86
Step by Step Solution
- Step 1: Write the proportion equation
911,684.58 : 1,258,121.61 = 503,775.06 : x - Step 2: Convert to fraction form
911,684.58/1,258,121.61 = 503,775.06/x - Step 3: Cross multiply
911,684.58x = 1,258,121.61 × 503,775.06 - Step 4: Simplify right side
911,684.58x = 633,810,289,565.05 - Step 5: Solve for x
x = 633,810,289,565.05/911,684.58 - Step 6: Final answer
x = 695,207.86
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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.