Finding the Fourth Proportional to 928,207.85, 1,280,939.96 and 565,646.99
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Solution
The fourth proportional to 928,207.85, 1,280,939.96 and 565,646.99 is: 780,600.84
Step by Step Solution
- Step 1: Write the proportion equation
928,207.85 : 1,280,939.96 = 565,646.99 : x - Step 2: Convert to fraction form
928,207.85/1,280,939.96 = 565,646.99/x - Step 3: Cross multiply
928,207.85x = 1,280,939.96 × 565,646.99 - Step 4: Simplify right side
928,207.85x = 724,559,829,916.49 - Step 5: Solve for x
x = 724,559,829,916.49/928,207.85 - Step 6: Final answer
x = 780,600.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.