Finding the Fourth Proportional to 922,113.18, 1,381,329.45 and 447,358.14
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Solution
The fourth proportional to 922,113.18, 1,381,329.45 and 447,358.14 is: 670,144.39
Step by Step Solution
- Step 1: Write the proportion equation
922,113.18 : 1,381,329.45 = 447,358.14 : x - Step 2: Convert to fraction form
922,113.18/1,381,329.45 = 447,358.14/x - Step 3: Cross multiply
922,113.18x = 1,381,329.45 × 447,358.14 - Step 4: Simplify right side
922,113.18x = 617,948,973,479.22 - Step 5: Solve for x
x = 617,948,973,479.22/922,113.18 - Step 6: Final answer
x = 670,144.39
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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.