Finding the Fourth Proportional to 545,616.86, 752,989.12 and 330,765.98
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Solution
The fourth proportional to 545,616.86, 752,989.12 and 330,765.98 is: 456,480.00
Step by Step Solution
- Step 1: Write the proportion equation
545,616.86 : 752,989.12 = 330,765.98 : x - Step 2: Convert to fraction form
545,616.86/752,989.12 = 330,765.98/x - Step 3: Cross multiply
545,616.86x = 752,989.12 × 330,765.98 - Step 4: Simplify right side
545,616.86x = 249,063,184,206.14 - Step 5: Solve for x
x = 249,063,184,206.14/545,616.86 - Step 6: Final answer
x = 456,480.00
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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.