Finding the Fourth Proportional to 659,130.56, 909,646.80 and 372,653.36
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Solution
The fourth proportional to 659,130.56, 909,646.80 and 372,653.36 is: 514,288.00
Step by Step Solution
- Step 1: Write the proportion equation
659,130.56 : 909,646.80 = 372,653.36 : x - Step 2: Convert to fraction form
659,130.56/909,646.80 = 372,653.36/x - Step 3: Cross multiply
659,130.56x = 909,646.80 × 372,653.36 - Step 4: Simplify right side
659,130.56x = 338,982,936,433.25 - Step 5: Solve for x
x = 338,982,936,433.25/659,130.56 - Step 6: Final answer
x = 514,288.00
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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.