Finding the Fourth Proportional to 720,508.14, 1,080,780.74 and 341,340.06
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Solution
The fourth proportional to 720,508.14, 1,080,780.74 and 341,340.06 is: 512,018.87
Step by Step Solution
- Step 1: Write the proportion equation
720,508.14 : 1,080,780.74 = 341,340.06 : x - Step 2: Convert to fraction form
720,508.14/1,080,780.74 = 341,340.06/x - Step 3: Cross multiply
720,508.14x = 1,080,780.74 × 341,340.06 - Step 4: Simplify right side
720,508.14x = 368,913,762,638.44 - Step 5: Solve for x
x = 368,913,762,638.44/720,508.14 - Step 6: Final answer
x = 512,018.87
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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.