Finding the Fourth Proportional to 936,147.62, 1,291,880.90 and 506,427.63
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Solution
The fourth proportional to 936,147.62, 1,291,880.90 and 506,427.63 is: 698,868.61
Step by Step Solution
- Step 1: Write the proportion equation
936,147.62 : 1,291,880.90 = 506,427.63 : x - Step 2: Convert to fraction form
936,147.62/1,291,880.90 = 506,427.63/x - Step 3: Cross multiply
936,147.62x = 1,291,880.90 × 506,427.63 - Step 4: Simplify right side
936,147.62x = 654,244,182,429.27 - Step 5: Solve for x
x = 654,244,182,429.27/936,147.62 - Step 6: Final answer
x = 698,868.61
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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.