Finding the Fourth Proportional to 691,767.36, 1,037,966.30 and 355,044.44
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Solution
The fourth proportional to 691,767.36, 1,037,966.30 and 355,044.44 is: 532,728.45
Step by Step Solution
- Step 1: Write the proportion equation
691,767.36 : 1,037,966.30 = 355,044.44 : x - Step 2: Convert to fraction form
691,767.36/1,037,966.30 = 355,044.44/x - Step 3: Cross multiply
691,767.36x = 1,037,966.30 × 355,044.44 - Step 4: Simplify right side
691,767.36x = 368,524,156,757.32 - Step 5: Solve for x
x = 368,524,156,757.32/691,767.36 - Step 6: Final answer
x = 532,728.45
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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.