Finding the Fourth Proportional to 983,881.38, 1,475,491.98 and 376,528.08
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Solution
The fourth proportional to 983,881.38, 1,475,491.98 and 376,528.08 is: 564,665.80
Step by Step Solution
- Step 1: Write the proportion equation
983,881.38 : 1,475,491.98 = 376,528.08 : x - Step 2: Convert to fraction form
983,881.38/1,475,491.98 = 376,528.08/x - Step 3: Cross multiply
983,881.38x = 1,475,491.98 × 376,528.08 - Step 4: Simplify right side
983,881.38x = 555,564,162,284.80 - Step 5: Solve for x
x = 555,564,162,284.80/983,881.38 - Step 6: Final answer
x = 564,665.80
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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.