Finding the Fourth Proportional to 688,253.44, 1,030,718.96 and 413,910.70
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Solution
The fourth proportional to 688,253.44, 1,030,718.96 and 413,910.70 is: 619,867.02
Step by Step Solution
- Step 1: Write the proportion equation
688,253.44 : 1,030,718.96 = 413,910.70 : x - Step 2: Convert to fraction form
688,253.44/1,030,718.96 = 413,910.70/x - Step 3: Cross multiply
688,253.44x = 1,030,718.96 × 413,910.70 - Step 4: Simplify right side
688,253.44x = 426,625,606,236.87 - Step 5: Solve for x
x = 426,625,606,236.87/688,253.44 - Step 6: Final answer
x = 619,867.02
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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.