Finding the Fourth Proportional to 892,803.84, 1,231,877.62 and 530,349.90
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Solution
The fourth proportional to 892,803.84, 1,231,877.62 and 530,349.90 is: 731,768.99
Step by Step Solution
- Step 1: Write the proportion equation
892,803.84 : 1,231,877.62 = 530,349.90 : x - Step 2: Convert to fraction form
892,803.84/1,231,877.62 = 530,349.90/x - Step 3: Cross multiply
892,803.84x = 1,231,877.62 × 530,349.90 - Step 4: Simplify right side
892,803.84x = 653,326,165,639.42 - Step 5: Solve for x
x = 653,326,165,639.42/892,803.84 - Step 6: Final answer
x = 731,768.99
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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.