Finding the Fourth Proportional to 908,905.80, 1,363,358.70 and 655,651.20
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Solution
The fourth proportional to 908,905.80, 1,363,358.70 and 655,651.20 is: 983,476.80
Step by Step Solution
- Step 1: Write the proportion equation
908,905.80 : 1,363,358.70 = 655,651.20 : x - Step 2: Convert to fraction form
908,905.80/1,363,358.70 = 655,651.20/x - Step 3: Cross multiply
908,905.80x = 1,363,358.70 × 655,651.20 - Step 4: Simplify right side
908,905.80x = 893,887,767,685.44 - Step 5: Solve for x
x = 893,887,767,685.44/908,905.80 - Step 6: Final answer
x = 983,476.80
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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.