Finding the Fourth Proportional to 700,701.99, 966,968.69 and 378,412.05
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Solution
The fourth proportional to 700,701.99, 966,968.69 and 378,412.05 is: 522,208.60
Step by Step Solution
- Step 1: Write the proportion equation
700,701.99 : 966,968.69 = 378,412.05 : x - Step 2: Convert to fraction form
700,701.99/966,968.69 = 378,412.05/x - Step 3: Cross multiply
700,701.99x = 966,968.69 × 378,412.05 - Step 4: Simplify right side
700,701.99x = 365,912,602,376.65 - Step 5: Solve for x
x = 365,912,602,376.65/700,701.99 - Step 6: Final answer
x = 522,208.60
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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.