Finding the Fourth Proportional to 702,412.44, 969,329.10 and 380,122.53
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Solution
The fourth proportional to 702,412.44, 969,329.10 and 380,122.53 is: 524,569.06
Step by Step Solution
- Step 1: Write the proportion equation
702,412.44 : 969,329.10 = 380,122.53 : x - Step 2: Convert to fraction form
702,412.44/969,329.10 = 380,122.53/x - Step 3: Cross multiply
702,412.44x = 969,329.10 × 380,122.53 - Step 4: Simplify right side
702,412.44x = 368,463,829,894.62 - Step 5: Solve for x
x = 368,463,829,894.62/702,412.44 - Step 6: Final answer
x = 524,569.06
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.