Finding the Fourth Proportional to 776,073.28, 1,070,965.28 and 453,974.08
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Solution
The fourth proportional to 776,073.28, 1,070,965.28 and 453,974.08 is: 626,474.96
Step by Step Solution
- Step 1: Write the proportion equation
776,073.28 : 1,070,965.28 = 453,974.08 : x - Step 2: Convert to fraction form
776,073.28/1,070,965.28 = 453,974.08/x - Step 3: Cross multiply
776,073.28x = 1,070,965.28 × 453,974.08 - Step 4: Simplify right side
776,073.28x = 486,190,477,699.94 - Step 5: Solve for x
x = 486,190,477,699.94/776,073.28 - Step 6: Final answer
x = 626,474.96
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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.