Finding the Fourth Proportional to 979,077.84, 1,468,349.28 and 268,936.80
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Solution
The fourth proportional to 979,077.84, 1,468,349.28 and 268,936.80 is: 403,331.73
Step by Step Solution
- Step 1: Write the proportion equation
979,077.84 : 1,468,349.28 = 268,936.80 : x - Step 2: Convert to fraction form
979,077.84/1,468,349.28 = 268,936.80/x - Step 3: Cross multiply
979,077.84x = 1,468,349.28 × 268,936.80 - Step 4: Simplify right side
979,077.84x = 394,893,156,645.50 - Step 5: Solve for x
x = 394,893,156,645.50/979,077.84 - Step 6: Final answer
x = 403,331.73
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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.