Finding the Fourth Proportional to 474,984.96, 711,555.20 and 424,510.08
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Solution
The fourth proportional to 474,984.96, 711,555.20 and 424,510.08 is: 635,940.88
Step by Step Solution
- Step 1: Write the proportion equation
474,984.96 : 711,555.20 = 424,510.08 : x - Step 2: Convert to fraction form
474,984.96/711,555.20 = 424,510.08/x - Step 3: Cross multiply
474,984.96x = 711,555.20 × 424,510.08 - Step 4: Simplify right side
474,984.96x = 302,062,354,876.42 - Step 5: Solve for x
x = 302,062,354,876.42/474,984.96 - Step 6: Final answer
x = 635,940.88
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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.