Finding the Fourth Proportional to 834,271.94, 1,151,250.81 and 471,674.18
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Solution
The fourth proportional to 834,271.94, 1,151,250.81 and 471,674.18 is: 650,885.23
Step by Step Solution
- Step 1: Write the proportion equation
834,271.94 : 1,151,250.81 = 471,674.18 : x - Step 2: Convert to fraction form
834,271.94/1,151,250.81 = 471,674.18/x - Step 3: Cross multiply
834,271.94x = 1,151,250.81 × 471,674.18 - Step 4: Simplify right side
834,271.94x = 543,015,281,781.09 - Step 5: Solve for x
x = 543,015,281,781.09/834,271.94 - Step 6: Final answer
x = 650,885.23
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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.