Finding the Fourth Proportional to 647,611.02, 893,704.05 and 357,216.08
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Solution
The fourth proportional to 647,611.02, 893,704.05 and 357,216.08 is: 492,958.65
Step by Step Solution
- Step 1: Write the proportion equation
647,611.02 : 893,704.05 = 357,216.08 : x - Step 2: Convert to fraction form
647,611.02/893,704.05 = 357,216.08/x - Step 3: Cross multiply
647,611.02x = 893,704.05 × 357,216.08 - Step 4: Simplify right side
647,611.02x = 319,245,452,952.60 - Step 5: Solve for x
x = 319,245,452,952.60/647,611.02 - Step 6: Final answer
x = 492,958.65
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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.