Finding the Fourth Proportional to 991,832.61, 1,368,878.63 and 604,872.53
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Solution
The fourth proportional to 991,832.61, 1,368,878.63 and 604,872.53 is: 834,815.33
Step by Step Solution
- Step 1: Write the proportion equation
991,832.61 : 1,368,878.63 = 604,872.53 : x - Step 2: Convert to fraction form
991,832.61/1,368,878.63 = 604,872.53/x - Step 3: Cross multiply
991,832.61x = 1,368,878.63 × 604,872.53 - Step 4: Simplify right side
991,832.61x = 827,997,075,455.57 - Step 5: Solve for x
x = 827,997,075,455.57/991,832.61 - Step 6: Final answer
x = 834,815.33
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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.