Finding the Fourth Proportional to 1,347,515.10, 2,021,305.05 and 400,916.70
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Solution
The fourth proportional to 1,347,515.10, 2,021,305.05 and 400,916.70 is: 601,384.69
Step by Step Solution
- Step 1: Write the proportion equation
1,347,515.10 : 2,021,305.05 = 400,916.70 : x - Step 2: Convert to fraction form
1,347,515.10/2,021,305.05 = 400,916.70/x - Step 3: Cross multiply
1,347,515.10x = 2,021,305.05 × 400,916.70 - Step 4: Simplify right side
1,347,515.10x = 810,374,950,339.34 - Step 5: Solve for x
x = 810,374,950,339.34/1,347,515.10 - Step 6: Final answer
x = 601,384.69
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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.