Finding the Fourth Proportional to 758,440.84, 1,046,654.76 and 418,914.76
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Solution
The fourth proportional to 758,440.84, 1,046,654.76 and 418,914.76 is: 578,105.90
Step by Step Solution
- Step 1: Write the proportion equation
758,440.84 : 1,046,654.76 = 418,914.76 : x - Step 2: Convert to fraction form
758,440.84/1,046,654.76 = 418,914.76/x - Step 3: Cross multiply
758,440.84x = 1,046,654.76 × 418,914.76 - Step 4: Simplify right side
758,440.84x = 438,459,127,588.26 - Step 5: Solve for x
x = 438,459,127,588.26/758,440.84 - Step 6: Final answer
x = 578,105.90
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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.