Finding the Fourth Proportional to 909,460.53, 1,364,315.30 and 310,260.81
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Solution
The fourth proportional to 909,460.53, 1,364,315.30 and 310,260.81 is: 465,433.68
Step by Step Solution
- Step 1: Write the proportion equation
909,460.53 : 1,364,315.30 = 310,260.81 : x - Step 2: Convert to fraction form
909,460.53/1,364,315.30 = 310,260.81/x - Step 3: Cross multiply
909,460.53x = 1,364,315.30 × 310,260.81 - Step 4: Simplify right side
909,460.53x = 423,293,563,290.34 - Step 5: Solve for x
x = 423,293,563,290.34/909,460.53 - Step 6: Final answer
x = 465,433.68
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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.