Finding the Fourth Proportional to 972,865.20, 1,459,302.66 and 439,762.08
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Solution
The fourth proportional to 972,865.20, 1,459,302.66 and 439,762.08 is: 659,645.32
Step by Step Solution
- Step 1: Write the proportion equation
972,865.20 : 1,459,302.66 = 439,762.08 : x - Step 2: Convert to fraction form
972,865.20/1,459,302.66 = 439,762.08/x - Step 3: Cross multiply
972,865.20x = 1,459,302.66 × 439,762.08 - Step 4: Simplify right side
972,865.20x = 641,745,973,111.13 - Step 5: Solve for x
x = 641,745,973,111.13/972,865.20 - Step 6: Final answer
x = 659,645.32
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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.