Finding the Fourth Proportional to 857,284.28, 1,283,403.86 and 572,267.90
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Solution
The fourth proportional to 857,284.28, 1,283,403.86 and 572,267.90 is: 856,717.95
Step by Step Solution
- Step 1: Write the proportion equation
857,284.28 : 1,283,403.86 = 572,267.90 : x - Step 2: Convert to fraction form
857,284.28/1,283,403.86 = 572,267.90/x - Step 3: Cross multiply
857,284.28x = 1,283,403.86 × 572,267.90 - Step 4: Simplify right side
857,284.28x = 734,450,831,814.09 - Step 5: Solve for x
x = 734,450,831,814.09/857,284.28 - Step 6: Final answer
x = 856,717.95
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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.