Finding the Fourth Proportional to 930,899.76, 1,284,658.66 and 517,475.36
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Solution
The fourth proportional to 930,899.76, 1,284,658.66 and 517,475.36 is: 714,125.44
Step by Step Solution
- Step 1: Write the proportion equation
930,899.76 : 1,284,658.66 = 517,475.36 : x - Step 2: Convert to fraction form
930,899.76/1,284,658.66 = 517,475.36/x - Step 3: Cross multiply
930,899.76x = 1,284,658.66 × 517,475.36 - Step 4: Simplify right side
930,899.76x = 664,779,202,560.62 - Step 5: Solve for x
x = 664,779,202,560.62/930,899.76 - Step 6: Final answer
x = 714,125.44
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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.