Finding the Fourth Proportional to 977,955.30, 1,466,648.36 and 378,782.82
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Solution
The fourth proportional to 977,955.30, 1,466,648.36 and 378,782.82 is: 568,064.00
Step by Step Solution
- Step 1: Write the proportion equation
977,955.30 : 1,466,648.36 = 378,782.82 : x - Step 2: Convert to fraction form
977,955.30/1,466,648.36 = 378,782.82/x - Step 3: Cross multiply
977,955.30x = 1,466,648.36 × 378,782.82 - Step 4: Simplify right side
977,955.30x = 555,541,201,749.18 - Step 5: Solve for x
x = 555,541,201,749.18/977,955.30 - Step 6: Final answer
x = 568,064.00
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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.