Finding the Fourth Proportional to 769,852.95, 1,154,385.09 and 410,228.70
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Solution
The fourth proportional to 769,852.95, 1,154,385.09 and 410,228.70 is: 615,132.92
Step by Step Solution
- Step 1: Write the proportion equation
769,852.95 : 1,154,385.09 = 410,228.70 : x - Step 2: Convert to fraction form
769,852.95/1,154,385.09 = 410,228.70/x - Step 3: Cross multiply
769,852.95x = 1,154,385.09 × 410,228.70 - Step 4: Simplify right side
769,852.95x = 473,561,894,770.08 - Step 5: Solve for x
x = 473,561,894,770.08/769,852.95 - Step 6: Final answer
x = 615,132.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.