Finding the Fourth Proportional to 868,548.84, 1,302,830.60 and 336,130.98
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Solution
The fourth proportional to 868,548.84, 1,302,830.60 and 336,130.98 is: 504,199.31
Step by Step Solution
- Step 1: Write the proportion equation
868,548.84 : 1,302,830.60 = 336,130.98 : x - Step 2: Convert to fraction form
868,548.84/1,302,830.60 = 336,130.98/x - Step 3: Cross multiply
868,548.84x = 1,302,830.60 × 336,130.98 - Step 4: Simplify right side
868,548.84x = 437,921,724,671.33 - Step 5: Solve for x
x = 437,921,724,671.33/868,548.84 - Step 6: Final answer
x = 504,199.31
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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.