Finding the Fourth Proportional to 771,613.02, 1,156,257.21 and 687,523.78
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Solution
The fourth proportional to 771,613.02, 1,156,257.21 and 687,523.78 is: 1,030,250.02
Step by Step Solution
- Step 1: Write the proportion equation
771,613.02 : 1,156,257.21 = 687,523.78 : x - Step 2: Convert to fraction form
771,613.02/1,156,257.21 = 687,523.78/x - Step 3: Cross multiply
771,613.02x = 1,156,257.21 × 687,523.78 - Step 4: Simplify right side
771,613.02x = 794,954,329,995.65 - Step 5: Solve for x
x = 794,954,329,995.65/771,613.02 - Step 6: Final answer
x = 1,030,250.02
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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.