Finding the Fourth Proportional to 858,269.10, 1,184,415.98 and 476,296.19
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Solution
The fourth proportional to 858,269.10, 1,184,415.98 and 476,296.19 is: 657,291.30
Step by Step Solution
- Step 1: Write the proportion equation
858,269.10 : 1,184,415.98 = 476,296.19 : x - Step 2: Convert to fraction form
858,269.10/1,184,415.98 = 476,296.19/x - Step 3: Cross multiply
858,269.10x = 1,184,415.98 × 476,296.19 - Step 4: Simplify right side
858,269.10x = 564,132,810,345.56 - Step 5: Solve for x
x = 564,132,810,345.56/858,269.10 - Step 6: Final answer
x = 657,291.30
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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.