Finding the Fourth Proportional to 868,197.15, 1,301,858.33 and 513,319.95
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Solution
The fourth proportional to 868,197.15, 1,301,858.33 and 513,319.95 is: 769,721.31
Step by Step Solution
- Step 1: Write the proportion equation
868,197.15 : 1,301,858.33 = 513,319.95 : x - Step 2: Convert to fraction form
868,197.15/1,301,858.33 = 513,319.95/x - Step 3: Cross multiply
868,197.15x = 1,301,858.33 × 513,319.95 - Step 4: Simplify right side
868,197.15x = 668,269,850,296.08 - Step 5: Solve for x
x = 668,269,850,296.08/868,197.15 - Step 6: Final answer
x = 769,721.31
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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.