Finding the Fourth Proportional to 858,536.72, 1,184,771.88 and 476,553.68
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Solution
The fourth proportional to 858,536.72, 1,184,771.88 and 476,553.68 is: 657,639.20
Step by Step Solution
- Step 1: Write the proportion equation
858,536.72 : 1,184,771.88 = 476,553.68 : x - Step 2: Convert to fraction form
858,536.72/1,184,771.88 = 476,553.68/x - Step 3: Cross multiply
858,536.72x = 1,184,771.88 × 476,553.68 - Step 4: Simplify right side
858,536.72x = 564,607,399,374.52 - Step 5: Solve for x
x = 564,607,399,374.52/858,536.72 - Step 6: Final answer
x = 657,639.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.