Finding the Fourth Proportional to 545,619.36, 752,992.58 and 330,768.48
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Solution
The fourth proportional to 545,619.36, 752,992.58 and 330,768.48 is: 456,483.46
Step by Step Solution
- Step 1: Write the proportion equation
545,619.36 : 752,992.58 = 330,768.48 : x - Step 2: Convert to fraction form
545,619.36/752,992.58 = 330,768.48/x - Step 3: Cross multiply
545,619.36x = 752,992.58 × 330,768.48 - Step 4: Simplify right side
545,619.36x = 249,066,211,137.88 - Step 5: Solve for x
x = 249,066,211,137.88/545,619.36 - Step 6: Final answer
x = 456,483.46
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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.