Finding the Fourth Proportional to 474,972.96, 711,537.12 and 424,498.08
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Solution
The fourth proportional to 474,972.96, 711,537.12 and 424,498.08 is: 635,922.81
Step by Step Solution
- Step 1: Write the proportion equation
474,972.96 : 711,537.12 = 424,498.08 : x - Step 2: Convert to fraction form
474,972.96/711,537.12 = 424,498.08/x - Step 3: Cross multiply
474,972.96x = 711,537.12 × 424,498.08 - Step 4: Simplify right side
474,972.96x = 302,046,141,288.73 - Step 5: Solve for x
x = 302,046,141,288.73/474,972.96 - Step 6: Final answer
x = 635,922.81
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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.