Finding the Fourth Proportional to 885,693.02, 1,328,750.34 and 286,654.18
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Solution
The fourth proportional to 885,693.02, 1,328,750.34 and 286,654.18 is: 430,049.50
Step by Step Solution
- Step 1: Write the proportion equation
885,693.02 : 1,328,750.34 = 286,654.18 : x - Step 2: Convert to fraction form
885,693.02/1,328,750.34 = 286,654.18/x - Step 3: Cross multiply
885,693.02x = 1,328,750.34 × 286,654.18 - Step 4: Simplify right side
885,693.02x = 380,891,839,137.42 - Step 5: Solve for x
x = 380,891,839,137.42/885,693.02 - Step 6: Final answer
x = 430,049.50
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1.5x scale
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.