Finding the Fourth Proportional to 416,454.62, 624,417.66 and 353,296.49
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Solution
The fourth proportional to 416,454.62, 624,417.66 and 353,296.49 is: 529,720.54
Step by Step Solution
- Step 1: Write the proportion equation
416,454.62 : 624,417.66 = 353,296.49 : x - Step 2: Convert to fraction form
416,454.62/624,417.66 = 353,296.49/x - Step 3: Cross multiply
416,454.62x = 624,417.66 × 353,296.49 - Step 4: Simplify right side
416,454.62x = 220,604,564,449.93 - Step 5: Solve for x
x = 220,604,564,449.93/416,454.62 - Step 6: Final answer
x = 529,720.54
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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.