Finding the Fourth Proportional to 977,647.68, 1,349,207.52 and 548,065.92
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Solution
The fourth proportional to 977,647.68, 1,349,207.52 and 548,065.92 is: 756,361.09
Step by Step Solution
- Step 1: Write the proportion equation
977,647.68 : 1,349,207.52 = 548,065.92 : x - Step 2: Convert to fraction form
977,647.68/1,349,207.52 = 548,065.92/x - Step 3: Cross multiply
977,647.68x = 1,349,207.52 × 548,065.92 - Step 4: Simplify right side
977,647.68x = 739,454,660,719.72 - Step 5: Solve for x
x = 739,454,660,719.72/977,647.68 - Step 6: Final answer
x = 756,361.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.