Finding the Fourth Proportional to 649,229.70, 973,844.55 and 383,117.70
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Solution
The fourth proportional to 649,229.70, 973,844.55 and 383,117.70 is: 574,676.55
Step by Step Solution
- Step 1: Write the proportion equation
649,229.70 : 973,844.55 = 383,117.70 : x - Step 2: Convert to fraction form
649,229.70/973,844.55 = 383,117.70/x - Step 3: Cross multiply
649,229.70x = 973,844.55 × 383,117.70 - Step 4: Simplify right side
649,229.70x = 373,097,084,153.54 - Step 5: Solve for x
x = 373,097,084,153.54/649,229.70 - Step 6: Final answer
x = 574,676.55
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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.