Finding the Fourth Proportional to 957,873.56, 1,321,925.04 and 528,153.02
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Solution
The fourth proportional to 957,873.56, 1,321,925.04 and 528,153.02 is: 728,883.99
Step by Step Solution
- Step 1: Write the proportion equation
957,873.56 : 1,321,925.04 = 528,153.02 : x - Step 2: Convert to fraction form
957,873.56/1,321,925.04 = 528,153.02/x - Step 3: Cross multiply
957,873.56x = 1,321,925.04 × 528,153.02 - Step 4: Simplify right side
957,873.56x = 698,178,702,089.62 - Step 5: Solve for x
x = 698,178,702,089.62/957,873.56 - Step 6: Final answer
x = 728,883.99
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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.