Finding the Fourth Proportional to 709,753.60, 1,065,038.82 and 394,184.08
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Solution
The fourth proportional to 709,753.60, 1,065,038.82 and 394,184.08 is: 591,502.95
Step by Step Solution
- Step 1: Write the proportion equation
709,753.60 : 1,065,038.82 = 394,184.08 : x - Step 2: Convert to fraction form
709,753.60/1,065,038.82 = 394,184.08/x - Step 3: Cross multiply
709,753.60x = 1,065,038.82 × 394,184.08 - Step 4: Simplify right side
709,753.60x = 419,821,347,425.99 - Step 5: Solve for x
x = 419,821,347,425.99/709,753.60 - Step 6: Final answer
x = 591,502.95
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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.