Finding the Fourth Proportional to 614,204.86, 916,502.71 and 550,374.53
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Solution
The fourth proportional to 614,204.86, 916,502.71 and 550,374.53 is: 821,256.52
Step by Step Solution
- Step 1: Write the proportion equation
614,204.86 : 916,502.71 = 550,374.53 : x - Step 2: Convert to fraction form
614,204.86/916,502.71 = 550,374.53/x - Step 3: Cross multiply
614,204.86x = 916,502.71 × 550,374.53 - Step 4: Simplify right side
614,204.86x = 504,419,745,508.10 - Step 5: Solve for x
x = 504,419,745,508.10/614,204.86 - Step 6: Final answer
x = 821,256.52
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.