Finding the Fourth Proportional to 721,070.08, 994,966.18 and 415,087.34
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Solution
The fourth proportional to 721,070.08, 994,966.18 and 415,087.34 is: 572,756.90
Step by Step Solution
- Step 1: Write the proportion equation
721,070.08 : 994,966.18 = 415,087.34 : x - Step 2: Convert to fraction form
721,070.08/994,966.18 = 415,087.34/x - Step 3: Cross multiply
721,070.08x = 994,966.18 × 415,087.34 - Step 4: Simplify right side
721,070.08x = 412,997,865,046.16 - Step 5: Solve for x
x = 412,997,865,046.16/721,070.08 - Step 6: Final answer
x = 572,756.90
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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.