Finding the Fourth Proportional to 858,487.74, 1,184,499.63 and 476,418.84
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Solution
The fourth proportional to 858,487.74, 1,184,499.63 and 476,418.84 is: 657,339.54
Step by Step Solution
- Step 1: Write the proportion equation
858,487.74 : 1,184,499.63 = 476,418.84 : x - Step 2: Convert to fraction form
858,487.74/1,184,499.63 = 476,418.84/x - Step 3: Cross multiply
858,487.74x = 1,184,499.63 × 476,418.84 - Step 4: Simplify right side
858,487.74x = 564,317,939,705.03 - Step 5: Solve for x
x = 564,317,939,705.03/858,487.74 - Step 6: Final answer
x = 657,339.54
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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.