Finding the Fourth Proportional to 517,586.98, 714,302.66 and 313,655.74
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Solution
The fourth proportional to 517,586.98, 714,302.66 and 313,655.74 is: 432,864.69
Step by Step Solution
- Step 1: Write the proportion equation
517,586.98 : 714,302.66 = 313,655.74 : x - Step 2: Convert to fraction form
517,586.98/714,302.66 = 313,655.74/x - Step 3: Cross multiply
517,586.98x = 714,302.66 × 313,655.74 - Step 4: Simplify right side
517,586.98x = 224,045,129,406.27 - Step 5: Solve for x
x = 224,045,129,406.27/517,586.98 - Step 6: Final answer
x = 432,864.69
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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.