Finding the Fourth Proportional to 798,068.24, 1,197,248.28 and 265,538.72
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Solution
The fourth proportional to 798,068.24, 1,197,248.28 and 265,538.72 is: 398,356.63
Step by Step Solution
- Step 1: Write the proportion equation
798,068.24 : 1,197,248.28 = 265,538.72 : x - Step 2: Convert to fraction form
798,068.24/1,197,248.28 = 265,538.72/x - Step 3: Cross multiply
798,068.24x = 1,197,248.28 × 265,538.72 - Step 4: Simplify right side
798,068.24x = 317,915,775,793.40 - Step 5: Solve for x
x = 317,915,775,793.40/798,068.24 - Step 6: Final answer
x = 398,356.63
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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.