Finding the Fourth Proportional to 759,779.84, 1,048,461.50 and 415,610.84
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Solution
The fourth proportional to 759,779.84, 1,048,461.50 and 415,610.84 is: 573,523.99
Step by Step Solution
- Step 1: Write the proportion equation
759,779.84 : 1,048,461.50 = 415,610.84 : x - Step 2: Convert to fraction form
759,779.84/1,048,461.50 = 415,610.84/x - Step 3: Cross multiply
759,779.84x = 1,048,461.50 × 415,610.84 - Step 4: Simplify right side
759,779.84x = 435,751,962,644.61 - Step 5: Solve for x
x = 435,751,962,644.61/759,779.84 - Step 6: Final answer
x = 573,523.99
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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.