Finding the Fourth Proportional to 673,340.16, 929,197.12 and 383,004.80
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Solution
The fourth proportional to 673,340.16, 929,197.12 and 383,004.80 is: 528,539.63
Step by Step Solution
- Step 1: Write the proportion equation
673,340.16 : 929,197.12 = 383,004.80 : x - Step 2: Convert to fraction form
673,340.16/929,197.12 = 383,004.80/x - Step 3: Cross multiply
673,340.16x = 929,197.12 × 383,004.80 - Step 4: Simplify right side
673,340.16x = 355,886,957,106.18 - Step 5: Solve for x
x = 355,886,957,106.18/673,340.16 - Step 6: Final answer
x = 528,539.63
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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.