Finding the Fourth Proportional to 616,728.42, 847,813.52 and 530,371.08
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Solution
The fourth proportional to 616,728.42, 847,813.52 and 530,371.08 is: 729,098.51
Step by Step Solution
- Step 1: Write the proportion equation
616,728.42 : 847,813.52 = 530,371.08 : x - Step 2: Convert to fraction form
616,728.42/847,813.52 = 530,371.08/x - Step 3: Cross multiply
616,728.42x = 847,813.52 × 530,371.08 - Step 4: Simplify right side
616,728.42x = 449,655,769,589.15 - Step 5: Solve for x
x = 449,655,769,589.15/616,728.42 - Step 6: Final answer
x = 729,098.51
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.