Finding the Fourth Proportional to 988,455.84, 1,482,121.36 and 389,092.08
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Solution
The fourth proportional to 988,455.84, 1,482,121.36 and 389,092.08 is: 583,416.74
Step by Step Solution
- Step 1: Write the proportion equation
988,455.84 : 1,482,121.36 = 389,092.08 : x - Step 2: Convert to fraction form
988,455.84/1,482,121.36 = 389,092.08/x - Step 3: Cross multiply
988,455.84x = 1,482,121.36 × 389,092.08 - Step 4: Simplify right side
988,455.84x = 576,681,682,774.83 - Step 5: Solve for x
x = 576,681,682,774.83/988,455.84 - Step 6: Final answer
x = 583,416.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.