Finding the Fourth Proportional to 826,740.32, 1,239,627.82 and 320,709.99
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Solution
The fourth proportional to 826,740.32, 1,239,627.82 and 320,709.99 is: 480,877.76
Step by Step Solution
- Step 1: Write the proportion equation
826,740.32 : 1,239,627.82 = 320,709.99 : x - Step 2: Convert to fraction form
826,740.32/1,239,627.82 = 320,709.99/x - Step 3: Cross multiply
826,740.32x = 1,239,627.82 × 320,709.99 - Step 4: Simplify right side
826,740.32x = 397,561,030,204.08 - Step 5: Solve for x
x = 397,561,030,204.08/826,740.32 - Step 6: Final answer
x = 480,877.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.