Finding the Fourth Proportional to 561,466.53, 774,902.84 and 357,452.28
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Solution
The fourth proportional to 561,466.53, 774,902.84 and 357,452.28 is: 493,334.46
Step by Step Solution
- Step 1: Write the proportion equation
561,466.53 : 774,902.84 = 357,452.28 : x - Step 2: Convert to fraction form
561,466.53/774,902.84 = 357,452.28/x - Step 3: Cross multiply
561,466.53x = 774,902.84 × 357,452.28 - Step 4: Simplify right side
561,466.53x = 276,990,785,149.21 - Step 5: Solve for x
x = 276,990,785,149.21/561,466.53 - Step 6: Final answer
x = 493,334.46
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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.