Finding the Fourth Proportional to 474,129.41, 709,444.49 and 284,705.13
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Solution
The fourth proportional to 474,129.41, 709,444.49 and 284,705.13 is: 426,007.08
Step by Step Solution
- Step 1: Write the proportion equation
474,129.41 : 709,444.49 = 284,705.13 : x - Step 2: Convert to fraction form
474,129.41/709,444.49 = 284,705.13/x - Step 3: Cross multiply
474,129.41x = 709,444.49 × 284,705.13 - Step 4: Simplify right side
474,129.41x = 201,982,485,753.23 - Step 5: Solve for x
x = 201,982,485,753.23/474,129.41 - Step 6: Final answer
x = 426,007.08
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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.