Finding the Fourth Proportional to 705,562.58, 973,560.94 and 415,418.65
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Solution
The fourth proportional to 705,562.58, 973,560.94 and 415,418.65 is: 573,209.77
Step by Step Solution
- Step 1: Write the proportion equation
705,562.58 : 973,560.94 = 415,418.65 : x - Step 2: Convert to fraction form
705,562.58/973,560.94 = 415,418.65/x - Step 3: Cross multiply
705,562.58x = 973,560.94 × 415,418.65 - Step 4: Simplify right side
705,562.58x = 404,435,367,915.08 - Step 5: Solve for x
x = 404,435,367,915.08/705,562.58 - Step 6: Final answer
x = 573,209.77
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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.