Finding the Fourth Proportional to 910,773.68, 1,366,182.38 and 311,730.88
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Solution
The fourth proportional to 910,773.68, 1,366,182.38 and 311,730.88 is: 467,603.80
Step by Step Solution
- Step 1: Write the proportion equation
910,773.68 : 1,366,182.38 = 311,730.88 : x - Step 2: Convert to fraction form
910,773.68/1,366,182.38 = 311,730.88/x - Step 3: Cross multiply
910,773.68x = 1,366,182.38 × 311,730.88 - Step 4: Simplify right side
910,773.68x = 425,881,235,557.89 - Step 5: Solve for x
x = 425,881,235,557.89/910,773.68 - Step 6: Final answer
x = 467,603.80
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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.