Finding the Fourth Proportional to 858,331.38, 1,184,482.53 and 476,374.26
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Solution
The fourth proportional to 858,331.38, 1,184,482.53 and 476,374.26 is: 657,388.28
Step by Step Solution
- Step 1: Write the proportion equation
858,331.38 : 1,184,482.53 = 476,374.26 : x - Step 2: Convert to fraction form
858,331.38/1,184,482.53 = 476,374.26/x - Step 3: Cross multiply
858,331.38x = 1,184,482.53 × 476,374.26 - Step 4: Simplify right side
858,331.38x = 564,256,988,711.68 - Step 5: Solve for x
x = 564,256,988,711.68/858,331.38 - Step 6: Final answer
x = 657,388.28
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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.