Finding the Fourth Proportional to 437,291.93, 655,990.44 and 413,377.09
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Solution
The fourth proportional to 437,291.93, 655,990.44 and 413,377.09 is: 620,115.30
Step by Step Solution
- Step 1: Write the proportion equation
437,291.93 : 655,990.44 = 413,377.09 : x - Step 2: Convert to fraction form
437,291.93/655,990.44 = 413,377.09/x - Step 3: Cross multiply
437,291.93x = 655,990.44 × 413,377.09 - Step 4: Simplify right side
437,291.93x = 271,171,417,307.59 - Step 5: Solve for x
x = 271,171,417,307.59/437,291.93 - Step 6: Final answer
x = 620,115.30
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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.