Finding the Fourth Proportional to 750,842.84, 1,036,188.99 and 411,311.09
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Solution
The fourth proportional to 750,842.84, 1,036,188.99 and 411,311.09 is: 567,623.47
Step by Step Solution
- Step 1: Write the proportion equation
750,842.84 : 1,036,188.99 = 411,311.09 : x - Step 2: Convert to fraction form
750,842.84/1,036,188.99 = 411,311.09/x - Step 3: Cross multiply
750,842.84x = 1,036,188.99 × 411,311.09 - Step 4: Simplify right side
750,842.84x = 426,196,017,741.95 - Step 5: Solve for x
x = 426,196,017,741.95/750,842.84 - Step 6: Final answer
x = 567,623.47
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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.