Finding the Fourth Proportional to 1,272,320.09, 1,908,478.92 and 325,689.29
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Solution
The fourth proportional to 1,272,320.09, 1,908,478.92 and 325,689.29 is: 488,533.62
Step by Step Solution
- Step 1: Write the proportion equation
1,272,320.09 : 1,908,478.92 = 325,689.29 : x - Step 2: Convert to fraction form
1,272,320.09/1,908,478.92 = 325,689.29/x - Step 3: Cross multiply
1,272,320.09x = 1,908,478.92 × 325,689.29 - Step 4: Simplify right side
1,272,320.09x = 621,571,144,434.77 - Step 5: Solve for x
x = 621,571,144,434.77/1,272,320.09 - Step 6: Final answer
x = 488,533.62
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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.