Finding the Fourth Proportional to 936,257.42, 1,292,927.57 and 885,250.80
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Solution
The fourth proportional to 936,257.42, 1,292,927.57 and 885,250.80 is: 1,222,489.82
Step by Step Solution
- Step 1: Write the proportion equation
936,257.42 : 1,292,927.57 = 885,250.80 : x - Step 2: Convert to fraction form
936,257.42/1,292,927.57 = 885,250.80/x - Step 3: Cross multiply
936,257.42x = 1,292,927.57 × 885,250.80 - Step 4: Simplify right side
936,257.42x = 1,144,565,161,258.30 - Step 5: Solve for x
x = 1,144,565,161,258.30/936,257.42 - Step 6: Final answer
x = 1,222,489.82
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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.