Finding the Fourth Proportional to 930,748.98, 1,396,194.20 and 361,885.68
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Solution
The fourth proportional to 930,748.98, 1,396,194.20 and 361,885.68 is: 542,856.02
Step by Step Solution
- Step 1: Write the proportion equation
930,748.98 : 1,396,194.20 = 361,885.68 : x - Step 2: Convert to fraction form
930,748.98/1,396,194.20 = 361,885.68/x - Step 3: Cross multiply
930,748.98x = 1,396,194.20 × 361,885.68 - Step 4: Simplify right side
930,748.98x = 505,262,687,479.06 - Step 5: Solve for x
x = 505,262,687,479.06/930,748.98 - Step 6: Final answer
x = 542,856.02
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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.