Finding the Fourth Proportional to 858,885.57, 1,184,996.30 and 496,177.09
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Solution
The fourth proportional to 858,885.57, 1,184,996.30 and 496,177.09 is: 684,570.83
Step by Step Solution
- Step 1: Write the proportion equation
858,885.57 : 1,184,996.30 = 496,177.09 : x - Step 2: Convert to fraction form
858,885.57/1,184,996.30 = 496,177.09/x - Step 3: Cross multiply
858,885.57x = 1,184,996.30 × 496,177.09 - Step 4: Simplify right side
858,885.57x = 587,968,010,351.39 - Step 5: Solve for x
x = 587,968,010,351.39/858,885.57 - Step 6: Final answer
x = 684,570.83
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1.5x scale
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.