Finding the Fourth Proportional to 658,927.80, 989,484.84 and 411,184.44
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Solution
The fourth proportional to 658,927.80, 989,484.84 and 411,184.44 is: 617,458.80
Step by Step Solution
- Step 1: Write the proportion equation
658,927.80 : 989,484.84 = 411,184.44 : x - Step 2: Convert to fraction form
658,927.80/989,484.84 = 411,184.44/x - Step 3: Cross multiply
658,927.80x = 989,484.84 × 411,184.44 - Step 4: Simplify right side
658,927.80x = 406,860,769,823.89 - Step 5: Solve for x
x = 406,860,769,823.89/658,927.80 - Step 6: Final answer
x = 617,458.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.