Finding the Fourth Proportional to 977,104.16, 1,465,674.96 and 642,282.08
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Solution
The fourth proportional to 977,104.16, 1,465,674.96 and 642,282.08 is: 963,435.43
Step by Step Solution
- Step 1: Write the proportion equation
977,104.16 : 1,465,674.96 = 642,282.08 : x - Step 2: Convert to fraction form
977,104.16/1,465,674.96 = 642,282.08/x - Step 3: Cross multiply
977,104.16x = 1,465,674.96 × 642,282.08 - Step 4: Simplify right side
977,104.16x = 941,376,761,912.72 - Step 5: Solve for x
x = 941,376,761,912.72/977,104.16 - Step 6: Final answer
x = 963,435.43
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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.