Finding the Fourth Proportional to 922,690.44, 1,273,312.98 and 520,282.44
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Solution
The fourth proportional to 922,690.44, 1,273,312.98 and 520,282.44 is: 717,989.86
Step by Step Solution
- Step 1: Write the proportion equation
922,690.44 : 1,273,312.98 = 520,282.44 : x - Step 2: Convert to fraction form
922,690.44/1,273,312.98 = 520,282.44/x - Step 3: Cross multiply
922,690.44x = 1,273,312.98 × 520,282.44 - Step 4: Simplify right side
922,690.44x = 662,482,384,118.07 - Step 5: Solve for x
x = 662,482,384,118.07/922,690.44 - Step 6: Final answer
x = 717,989.86
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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.