Finding the Fourth Proportional to 791,225.01, 1,091,889.18 and 428,658.08
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Solution
The fourth proportional to 791,225.01, 1,091,889.18 and 428,658.08 is: 591,547.42
Step by Step Solution
- Step 1: Write the proportion equation
791,225.01 : 1,091,889.18 = 428,658.08 : x - Step 2: Convert to fraction form
791,225.01/1,091,889.18 = 428,658.08/x - Step 3: Cross multiply
791,225.01x = 1,091,889.18 × 428,658.08 - Step 4: Simplify right side
791,225.01x = 468,047,114,012.13 - Step 5: Solve for x
x = 468,047,114,012.13/791,225.01 - Step 6: Final answer
x = 591,547.42
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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.