Finding the Fourth Proportional to 570,418.81, 787,221.68 and 325,408.96
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Solution
The fourth proportional to 570,418.81, 787,221.68 and 325,408.96 is: 449,089.31
Step by Step Solution
- Step 1: Write the proportion equation
570,418.81 : 787,221.68 = 325,408.96 : x - Step 2: Convert to fraction form
570,418.81/787,221.68 = 325,408.96/x - Step 3: Cross multiply
570,418.81x = 787,221.68 × 325,408.96 - Step 4: Simplify right side
570,418.81x = 256,168,988,450.45 - Step 5: Solve for x
x = 256,168,988,450.45/570,418.81 - Step 6: Final answer
x = 449,089.31
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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.