Finding the Fourth Proportional to 638,516.36, 958,397.84 and 527,329.28
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Solution
The fourth proportional to 638,516.36, 958,397.84 and 527,329.28 is: 791,508.68
Step by Step Solution
- Step 1: Write the proportion equation
638,516.36 : 958,397.84 = 527,329.28 : x - Step 2: Convert to fraction form
638,516.36/958,397.84 = 527,329.28/x - Step 3: Cross multiply
638,516.36x = 958,397.84 × 527,329.28 - Step 4: Simplify right side
638,516.36x = 505,391,242,920.76 - Step 5: Solve for x
x = 505,391,242,920.76/638,516.36 - Step 6: Final answer
x = 791,508.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.