Finding the Fourth Proportional to 834,176.84, 1,151,148.80 and 471,600.81
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Solution
The fourth proportional to 834,176.84, 1,151,148.80 and 471,600.81 is: 650,800.50
Step by Step Solution
- Step 1: Write the proportion equation
834,176.84 : 1,151,148.80 = 471,600.81 : x - Step 2: Convert to fraction form
834,176.84/1,151,148.80 = 471,600.81/x - Step 3: Cross multiply
834,176.84x = 1,151,148.80 × 471,600.81 - Step 4: Simplify right side
834,176.84x = 542,882,709,847.93 - Step 5: Solve for x
x = 542,882,709,847.93/834,176.84 - Step 6: Final answer
x = 650,800.50
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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.