Finding the Fourth Proportional to 631,125.20, 946,687.80 and 394,929.20
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Solution
The fourth proportional to 631,125.20, 946,687.80 and 394,929.20 is: 592,393.80
Step by Step Solution
- Step 1: Write the proportion equation
631,125.20 : 946,687.80 = 394,929.20 : x - Step 2: Convert to fraction form
631,125.20/946,687.80 = 394,929.20/x - Step 3: Cross multiply
631,125.20x = 946,687.80 × 394,929.20 - Step 4: Simplify right side
631,125.20x = 373,874,655,503.76 - Step 5: Solve for x
x = 373,874,655,503.76/631,125.20 - Step 6: Final answer
x = 592,393.80
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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.