Finding the Fourth Proportional to 738,113.30, 1,107,112.35 and 288,746.90
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Solution
The fourth proportional to 738,113.30, 1,107,112.35 and 288,746.90 is: 433,097.82
Step by Step Solution
- Step 1: Write the proportion equation
738,113.30 : 1,107,112.35 = 288,746.90 : x - Step 2: Convert to fraction form
738,113.30/1,107,112.35 = 288,746.90/x - Step 3: Cross multiply
738,113.30x = 1,107,112.35 × 288,746.90 - Step 4: Simplify right side
738,113.30x = 319,675,259,014.22 - Step 5: Solve for x
x = 319,675,259,014.22/738,113.30 - Step 6: Final answer
x = 433,097.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.