Finding the Fourth Proportional to 858,390.58, 1,184,634.36 and 476,417.37
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Solution
The fourth proportional to 858,390.58, 1,184,634.36 and 476,417.37 is: 657,486.70
Step by Step Solution
- Step 1: Write the proportion equation
858,390.58 : 1,184,634.36 = 476,417.37 : x - Step 2: Convert to fraction form
858,390.58/1,184,634.36 = 476,417.37/x - Step 3: Cross multiply
858,390.58x = 1,184,634.36 × 476,417.37 - Step 4: Simplify right side
858,390.58x = 564,380,386,202.83 - Step 5: Solve for x
x = 564,380,386,202.83/858,390.58 - Step 6: Final answer
x = 657,486.70
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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.