Finding the Fourth Proportional to 771,408.63, 1,064,655.50 and 431,898.75
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Solution
The fourth proportional to 771,408.63, 1,064,655.50 and 431,898.75 is: 596,082.75
Step by Step Solution
- Step 1: Write the proportion equation
771,408.63 : 1,064,655.50 = 431,898.75 : x - Step 2: Convert to fraction form
771,408.63/1,064,655.50 = 431,898.75/x - Step 3: Cross multiply
771,408.63x = 1,064,655.50 × 431,898.75 - Step 4: Simplify right side
771,408.63x = 459,823,377,471.13 - Step 5: Solve for x
x = 459,823,377,471.13/771,408.63 - Step 6: Final answer
x = 596,082.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.