Finding the Fourth Proportional to 841,307.38, 1,161,106.05 and 478,819.42
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Solution
The fourth proportional to 841,307.38, 1,161,106.05 and 478,819.42 is: 660,828.78
Step by Step Solution
- Step 1: Write the proportion equation
841,307.38 : 1,161,106.05 = 478,819.42 : x - Step 2: Convert to fraction form
841,307.38/1,161,106.05 = 478,819.42/x - Step 3: Cross multiply
841,307.38x = 1,161,106.05 × 478,819.42 - Step 4: Simplify right side
841,307.38x = 555,960,125,419.49 - Step 5: Solve for x
x = 555,960,125,419.49/841,307.38 - Step 6: Final answer
x = 660,828.78
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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.