Finding the Fourth Proportional to 560,359.90, 773,292.99 and 318,642.49
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Solution
The fourth proportional to 560,359.90, 773,292.99 and 318,642.49 is: 439,724.55
Step by Step Solution
- Step 1: Write the proportion equation
560,359.90 : 773,292.99 = 318,642.49 : x - Step 2: Convert to fraction form
560,359.90/773,292.99 = 318,642.49/x - Step 3: Cross multiply
560,359.90x = 773,292.99 × 318,642.49 - Step 4: Simplify right side
560,359.90x = 246,404,003,833.15 - Step 5: Solve for x
x = 246,404,003,833.15/560,359.90 - Step 6: Final answer
x = 439,724.55
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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.