Finding the Fourth Proportional to 918,793.62, 1,267,833.70 and 551,251.26
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Solution
The fourth proportional to 918,793.62, 1,267,833.70 and 551,251.26 is: 760,665.84
Step by Step Solution
- Step 1: Write the proportion equation
918,793.62 : 1,267,833.70 = 551,251.26 : x - Step 2: Convert to fraction form
918,793.62/1,267,833.70 = 551,251.26/x - Step 3: Cross multiply
918,793.62x = 1,267,833.70 × 551,251.26 - Step 4: Simplify right side
918,793.62x = 698,894,924,595.46 - Step 5: Solve for x
x = 698,894,924,595.46/918,793.62 - Step 6: Final answer
x = 760,665.84
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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.