Finding the Fourth Proportional to 519,580.34, 716,943.99 and 315,525.14
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Solution
The fourth proportional to 519,580.34, 716,943.99 and 315,525.14 is: 435,378.01
Step by Step Solution
- Step 1: Write the proportion equation
519,580.34 : 716,943.99 = 315,525.14 : x - Step 2: Convert to fraction form
519,580.34/716,943.99 = 315,525.14/x - Step 3: Cross multiply
519,580.34x = 716,943.99 × 315,525.14 - Step 4: Simplify right side
519,580.34x = 226,213,852,816.91 - Step 5: Solve for x
x = 226,213,852,816.91/519,580.34 - Step 6: Final answer
x = 435,378.01
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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.