Finding the Fourth Proportional to 988,737.05, 1,364,493.87 and 558,991.55
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Solution
The fourth proportional to 988,737.05, 1,364,493.87 and 558,991.55 is: 771,429.11
Step by Step Solution
- Step 1: Write the proportion equation
988,737.05 : 1,364,493.87 = 558,991.55 : x - Step 2: Convert to fraction form
988,737.05/1,364,493.87 = 558,991.55/x - Step 3: Cross multiply
988,737.05x = 1,364,493.87 × 558,991.55 - Step 4: Simplify right side
988,737.05x = 762,740,536,534.33 - Step 5: Solve for x
x = 762,740,536,534.33/988,737.05 - Step 6: Final answer
x = 771,429.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.