Finding the Fourth Proportional to 763,802.64, 1,053,930.42 and 441,450.18
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Solution
The fourth proportional to 763,802.64, 1,053,930.42 and 441,450.18 is: 609,133.50
Step by Step Solution
- Step 1: Write the proportion equation
763,802.64 : 1,053,930.42 = 441,450.18 : x - Step 2: Convert to fraction form
763,802.64/1,053,930.42 = 441,450.18/x - Step 3: Cross multiply
763,802.64x = 1,053,930.42 × 441,450.18 - Step 4: Simplify right side
763,802.64x = 465,257,773,616.48 - Step 5: Solve for x
x = 465,257,773,616.48/763,802.64 - Step 6: Final answer
x = 609,133.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.