Finding the Fourth Proportional to 522,798.91, 720,886.16 and 361,373.70
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Solution
The fourth proportional to 522,798.91, 720,886.16 and 361,373.70 is: 498,297.34
Step by Step Solution
- Step 1: Write the proportion equation
522,798.91 : 720,886.16 = 361,373.70 : x - Step 2: Convert to fraction form
522,798.91/720,886.16 = 361,373.70/x - Step 3: Cross multiply
522,798.91x = 720,886.16 × 361,373.70 - Step 4: Simplify right side
522,798.91x = 260,509,302,524.75 - Step 5: Solve for x
x = 260,509,302,524.75/522,798.91 - Step 6: Final answer
x = 498,297.34
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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.