Finding the Fourth Proportional to 958,495.57, 1,322,723.80 and 528,775.70
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Solution
The fourth proportional to 958,495.57, 1,322,723.80 and 528,775.70 is: 729,710.41
Step by Step Solution
- Step 1: Write the proportion equation
958,495.57 : 1,322,723.80 = 528,775.70 : x - Step 2: Convert to fraction form
958,495.57/1,322,723.80 = 528,775.70/x - Step 3: Cross multiply
958,495.57x = 1,322,723.80 × 528,775.70 - Step 4: Simplify right side
958,495.57x = 699,424,197,299.01 - Step 5: Solve for x
x = 699,424,197,299.01/958,495.57 - Step 6: Final answer
x = 729,710.41
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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.