Finding the Fourth Proportional to 963,360.05, 1,439,180.79 and 623,633.09
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Solution
The fourth proportional to 963,360.05, 1,439,180.79 and 623,633.09 is: 931,656.61
Step by Step Solution
- Step 1: Write the proportion equation
963,360.05 : 1,439,180.79 = 623,633.09 : x - Step 2: Convert to fraction form
963,360.05/1,439,180.79 = 623,633.09/x - Step 3: Cross multiply
963,360.05x = 1,439,180.79 × 623,633.09 - Step 4: Simplify right side
963,360.05x = 897,520,753,601.81 - Step 5: Solve for x
x = 897,520,753,601.81/963,360.05 - Step 6: Final answer
x = 931,656.61
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.