Finding the Fourth Proportional to 474,977.96, 711,544.62 and 424,503.08
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Solution
The fourth proportional to 474,977.96, 711,544.62 and 424,503.08 is: 635,930.31
Step by Step Solution
- Step 1: Write the proportion equation
474,977.96 : 711,544.62 = 424,503.08 : x - Step 2: Convert to fraction form
474,977.96/711,544.62 = 424,503.08/x - Step 3: Cross multiply
474,977.96x = 711,544.62 × 424,503.08 - Step 4: Simplify right side
474,977.96x = 302,052,882,747.43 - Step 5: Solve for x
x = 302,052,882,747.43/474,977.96 - Step 6: Final answer
x = 635,930.31
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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.