Finding the Fourth Proportional to 834,214.08, 1,251,633.84 and 385,150.08
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Solution
The fourth proportional to 834,214.08, 1,251,633.84 and 385,150.08 is: 577,869.50
Step by Step Solution
- Step 1: Write the proportion equation
834,214.08 : 1,251,633.84 = 385,150.08 : x - Step 2: Convert to fraction form
834,214.08/1,251,633.84 = 385,150.08/x - Step 3: Cross multiply
834,214.08x = 1,251,633.84 × 385,150.08 - Step 4: Simplify right side
834,214.08x = 482,066,873,606.71 - Step 5: Solve for x
x = 482,066,873,606.71/834,214.08 - Step 6: Final answer
x = 577,869.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.