Finding the Fourth Proportional to 876,610.08, 1,209,723.12 and 474,202.08
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Solution
The fourth proportional to 876,610.08, 1,209,723.12 and 474,202.08 is: 654,399.52
Step by Step Solution
- Step 1: Write the proportion equation
876,610.08 : 1,209,723.12 = 474,202.08 : x - Step 2: Convert to fraction form
876,610.08/1,209,723.12 = 474,202.08/x - Step 3: Cross multiply
876,610.08x = 1,209,723.12 × 474,202.08 - Step 4: Simplify right side
876,610.08x = 573,653,219,728.09 - Step 5: Solve for x
x = 573,653,219,728.09/876,610.08 - Step 6: Final answer
x = 654,399.52
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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.