Finding the Fourth Proportional to 994,171.40, 1,371,965.67 and 564,460.73
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Solution
The fourth proportional to 994,171.40, 1,371,965.67 and 564,460.73 is: 778,960.99
Step by Step Solution
- Step 1: Write the proportion equation
994,171.40 : 1,371,965.67 = 564,460.73 : x - Step 2: Convert to fraction form
994,171.40/1,371,965.67 = 564,460.73/x - Step 3: Cross multiply
994,171.40x = 1,371,965.67 × 564,460.73 - Step 4: Simplify right side
994,171.40x = 774,420,736,763.31 - Step 5: Solve for x
x = 774,420,736,763.31/994,171.40 - Step 6: Final answer
x = 778,960.99
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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.