Finding the Fourth Proportional to 930,643.20, 1,395,968.04 and 369,676.08
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Solution
The fourth proportional to 930,643.20, 1,395,968.04 and 369,676.08 is: 554,515.41
Step by Step Solution
- Step 1: Write the proportion equation
930,643.20 : 1,395,968.04 = 369,676.08 : x - Step 2: Convert to fraction form
930,643.20/1,395,968.04 = 369,676.08/x - Step 3: Cross multiply
930,643.20x = 1,395,968.04 × 369,676.08 - Step 4: Simplify right side
930,643.20x = 516,055,992,832.48 - Step 5: Solve for x
x = 516,055,992,832.48/930,643.20 - Step 6: Final answer
x = 554,515.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.