Finding the Fourth Proportional to 909,968.70, 1,364,953.05 and 732,821.70
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Solution
The fourth proportional to 909,968.70, 1,364,953.05 and 732,821.70 is: 1,099,232.55
Step by Step Solution
- Step 1: Write the proportion equation
909,968.70 : 1,364,953.05 = 732,821.70 : x - Step 2: Convert to fraction form
909,968.70/1,364,953.05 = 732,821.70/x - Step 3: Cross multiply
909,968.70x = 1,364,953.05 × 732,821.70 - Step 4: Simplify right side
909,968.70x = 1,000,267,214,521.19 - Step 5: Solve for x
x = 1,000,267,214,521.19/909,968.70 - Step 6: Final answer
x = 1,099,232.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.