Finding the Fourth Proportional to 660,907.62, 912,050.28 and 374,482.31
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Solution
The fourth proportional to 660,907.62, 912,050.28 and 374,482.31 is: 516,784.31
Step by Step Solution
- Step 1: Write the proportion equation
660,907.62 : 912,050.28 = 374,482.31 : x - Step 2: Convert to fraction form
660,907.62/912,050.28 = 374,482.31/x - Step 3: Cross multiply
660,907.62x = 912,050.28 × 374,482.31 - Step 4: Simplify right side
660,907.62x = 341,546,691,130.30 - Step 5: Solve for x
x = 341,546,691,130.30/660,907.62 - Step 6: Final answer
x = 516,784.31
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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.