Finding the Fourth Proportional to 516,940.92, 713,268.99 and 312,952.14
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Solution
The fourth proportional to 516,940.92, 713,268.99 and 312,952.14 is: 431,807.68
Step by Step Solution
- Step 1: Write the proportion equation
516,940.92 : 713,268.99 = 312,952.14 : x - Step 2: Convert to fraction form
516,940.92/713,268.99 = 312,952.14/x - Step 3: Cross multiply
516,940.92x = 713,268.99 × 312,952.14 - Step 4: Simplify right side
516,940.92x = 223,219,056,816.14 - Step 5: Solve for x
x = 223,219,056,816.14/516,940.92 - Step 6: Final answer
x = 431,807.68
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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.