Finding the Fourth Proportional to 988,891.70, 1,364,605.99 and 553,234.61
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Solution
The fourth proportional to 988,891.70, 1,364,605.99 and 553,234.61 is: 763,427.65
Step by Step Solution
- Step 1: Write the proportion equation
988,891.70 : 1,364,605.99 = 553,234.61 : x - Step 2: Convert to fraction form
988,891.70/1,364,605.99 = 553,234.61/x - Step 3: Cross multiply
988,891.70x = 1,364,605.99 × 553,234.61 - Step 4: Simplify right side
988,891.70x = 754,947,264,709.74 - Step 5: Solve for x
x = 754,947,264,709.74/988,891.70 - Step 6: Final answer
x = 763,427.65
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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.