Finding the Fourth Proportional to 858,484.48, 1,184,706.56 and 476,515.84
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Solution
The fourth proportional to 858,484.48, 1,184,706.56 and 476,515.84 is: 657,590.74
Step by Step Solution
- Step 1: Write the proportion equation
858,484.48 : 1,184,706.56 = 476,515.84 : x - Step 2: Convert to fraction form
858,484.48/1,184,706.56 = 476,515.84/x - Step 3: Cross multiply
858,484.48x = 1,184,706.56 × 476,515.84 - Step 4: Simplify right side
858,484.48x = 564,531,441,591.91 - Step 5: Solve for x
x = 564,531,441,591.91/858,484.48 - Step 6: Final answer
x = 657,590.74
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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.