Finding the Fourth Proportional to 918,177.80, 1,377,266.70 and 664,267.10
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Solution
The fourth proportional to 918,177.80, 1,377,266.70 and 664,267.10 is: 996,400.65
Step by Step Solution
- Step 1: Write the proportion equation
918,177.80 : 1,377,266.70 = 664,267.10 : x - Step 2: Convert to fraction form
918,177.80/1,377,266.70 = 664,267.10/x - Step 3: Cross multiply
918,177.80x = 1,377,266.70 × 664,267.10 - Step 4: Simplify right side
918,177.80x = 914,872,956,735.57 - Step 5: Solve for x
x = 914,872,956,735.57/918,177.80 - Step 6: Final answer
x = 996,400.65
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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.