Finding the Fourth Proportional to 733,782.96, 1,100,783.76 and 260,428.68
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Solution
The fourth proportional to 733,782.96, 1,100,783.76 and 260,428.68 is: 390,681.82
Step by Step Solution
- Step 1: Write the proportion equation
733,782.96 : 1,100,783.76 = 260,428.68 : x - Step 2: Convert to fraction form
733,782.96/1,100,783.76 = 260,428.68/x - Step 3: Cross multiply
733,782.96x = 1,100,783.76 × 260,428.68 - Step 4: Simplify right side
733,782.96x = 286,675,661,582.24 - Step 5: Solve for x
x = 286,675,661,582.24/733,782.96 - Step 6: Final answer
x = 390,681.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.