Finding the Fourth Proportional to 909,245.94, 1,364,262.21 and 488,029.74
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Solution
The fourth proportional to 909,245.94, 1,364,262.21 and 488,029.74 is: 732,255.71
Step by Step Solution
- Step 1: Write the proportion equation
909,245.94 : 1,364,262.21 = 488,029.74 : x - Step 2: Convert to fraction form
909,245.94/1,364,262.21 = 488,029.74/x - Step 3: Cross multiply
909,245.94x = 1,364,262.21 × 488,029.74 - Step 4: Simplify right side
909,245.94x = 665,800,531,638.13 - Step 5: Solve for x
x = 665,800,531,638.13/909,245.94 - Step 6: Final answer
x = 732,255.71
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.