Finding the Fourth Proportional to 897,936.04, 1,239,177.84 and 490,064.08
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Solution
The fourth proportional to 897,936.04, 1,239,177.84 and 490,064.08 is: 676,302.68
Step by Step Solution
- Step 1: Write the proportion equation
897,936.04 : 1,239,177.84 = 490,064.08 : x - Step 2: Convert to fraction form
897,936.04/1,239,177.84 = 490,064.08/x - Step 3: Cross multiply
897,936.04x = 1,239,177.84 × 490,064.08 - Step 4: Simplify right side
897,936.04x = 607,276,548,115.99 - Step 5: Solve for x
x = 607,276,548,115.99/897,936.04 - Step 6: Final answer
x = 676,302.68
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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.