Finding the Fourth Proportional to 910,701.60, 1,366,118.70 and 349,736.10
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Solution
The fourth proportional to 910,701.60, 1,366,118.70 and 349,736.10 is: 524,629.61
Step by Step Solution
- Step 1: Write the proportion equation
910,701.60 : 1,366,118.70 = 349,736.10 : x - Step 2: Convert to fraction form
910,701.60/1,366,118.70 = 349,736.10/x - Step 3: Cross multiply
910,701.60x = 1,366,118.70 × 349,736.10 - Step 4: Simplify right side
910,701.60x = 477,781,026,275.07 - Step 5: Solve for x
x = 477,781,026,275.07/910,701.60 - Step 6: Final answer
x = 524,629.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.