Finding the Fourth Proportional to 858,748.16, 1,185,017.62 and 476,774.84
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Solution
The fourth proportional to 858,748.16, 1,185,017.62 and 476,774.84 is: 657,918.83
Step by Step Solution
- Step 1: Write the proportion equation
858,748.16 : 1,185,017.62 = 476,774.84 : x - Step 2: Convert to fraction form
858,748.16/1,185,017.62 = 476,774.84/x - Step 3: Cross multiply
858,748.16x = 1,185,017.62 × 476,774.84 - Step 4: Simplify right side
858,748.16x = 564,986,586,172.68 - Step 5: Solve for x
x = 564,986,586,172.68/858,748.16 - Step 6: Final answer
x = 657,918.83
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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.