Finding the Fourth Proportional to 828,927.36, 1,143,818.28 and 522,888.84
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Solution
The fourth proportional to 828,927.36, 1,143,818.28 and 522,888.84 is: 721,522.59
Step by Step Solution
- Step 1: Write the proportion equation
828,927.36 : 1,143,818.28 = 522,888.84 : x - Step 2: Convert to fraction form
828,927.36/1,143,818.28 = 522,888.84/x - Step 3: Cross multiply
828,927.36x = 1,143,818.28 × 522,888.84 - Step 4: Simplify right side
828,927.36x = 598,089,813,600.00 - Step 5: Solve for x
x = 598,089,813,600.00/828,927.36 - Step 6: Final answer
x = 721,522.59
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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.