Finding the Fourth Proportional to 856,765.63, 1,283,746.47 and 518,782.60
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Solution
The fourth proportional to 856,765.63, 1,283,746.47 and 518,782.60 is: 777,324.99
Step by Step Solution
- Step 1: Write the proportion equation
856,765.63 : 1,283,746.47 = 518,782.60 : x - Step 2: Convert to fraction form
856,765.63/1,283,746.47 = 518,782.60/x - Step 3: Cross multiply
856,765.63x = 1,283,746.47 × 518,782.60 - Step 4: Simplify right side
856,765.63x = 665,985,331,447.42 - Step 5: Solve for x
x = 665,985,331,447.42/856,765.63 - Step 6: Final answer
x = 777,324.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.