Finding the Fourth Proportional to 918,711.44, 1,267,536.84 and 536,462.48
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Solution
The fourth proportional to 918,711.44, 1,267,536.84 and 536,462.48 is: 740,151.83
Step by Step Solution
- Step 1: Write the proportion equation
918,711.44 : 1,267,536.84 = 536,462.48 : x - Step 2: Convert to fraction form
918,711.44/1,267,536.84 = 536,462.48/x - Step 3: Cross multiply
918,711.44x = 1,267,536.84 × 536,462.48 - Step 4: Simplify right side
918,711.44x = 679,985,956,677.76 - Step 5: Solve for x
x = 679,985,956,677.76/918,711.44 - Step 6: Final answer
x = 740,151.83
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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.