Finding the Fourth Proportional to 516,292.92, 712,197.36 and 479,759.49
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Solution
The fourth proportional to 516,292.92, 712,197.36 and 479,759.49 is: 661,801.53
Step by Step Solution
- Step 1: Write the proportion equation
516,292.92 : 712,197.36 = 479,759.49 : x - Step 2: Convert to fraction form
516,292.92/712,197.36 = 479,759.49/x - Step 3: Cross multiply
516,292.92x = 712,197.36 × 479,759.49 - Step 4: Simplify right side
516,292.92x = 341,683,442,212.95 - Step 5: Solve for x
x = 341,683,442,212.95/516,292.92 - Step 6: Final answer
x = 661,801.53
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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.