Finding the Fourth Proportional to 841,307.88, 1,161,106.74 and 478,819.92
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Solution
The fourth proportional to 841,307.88, 1,161,106.74 and 478,819.92 is: 660,829.47
Step by Step Solution
- Step 1: Write the proportion equation
841,307.88 : 1,161,106.74 = 478,819.92 : x - Step 2: Convert to fraction form
841,307.88/1,161,106.74 = 478,819.92/x - Step 3: Cross multiply
841,307.88x = 1,161,106.74 × 478,819.92 - Step 4: Simplify right side
841,307.88x = 555,961,036,358.26 - Step 5: Solve for x
x = 555,961,036,358.26/841,307.88 - Step 6: Final answer
x = 660,829.47
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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.