Finding the Fourth Proportional to 526,817.69, 727,009.70 and 285,102.02
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Solution
The fourth proportional to 526,817.69, 727,009.70 and 285,102.02 is: 393,441.48
Step by Step Solution
- Step 1: Write the proportion equation
526,817.69 : 727,009.70 = 285,102.02 : x - Step 2: Convert to fraction form
526,817.69/727,009.70 = 285,102.02/x - Step 3: Cross multiply
526,817.69x = 727,009.70 × 285,102.02 - Step 4: Simplify right side
526,817.69x = 207,271,934,029.59 - Step 5: Solve for x
x = 207,271,934,029.59/526,817.69 - Step 6: Final answer
x = 393,441.48
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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.