Finding the Fourth Proportional to 969,846.80, 1,338,424.68 and 534,281.84
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Solution
The fourth proportional to 969,846.80, 1,338,424.68 and 534,281.84 is: 737,328.82
Step by Step Solution
- Step 1: Write the proportion equation
969,846.80 : 1,338,424.68 = 534,281.84 : x - Step 2: Convert to fraction form
969,846.80/1,338,424.68 = 534,281.84/x - Step 3: Cross multiply
969,846.80x = 1,338,424.68 × 534,281.84 - Step 4: Simplify right side
969,846.80x = 715,096,000,731.81 - Step 5: Solve for x
x = 715,096,000,731.81/969,846.80 - Step 6: Final answer
x = 737,328.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.