Finding the Fourth Proportional to 742,352.94, 1,024,469.76 and 436,373.19
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Solution
The fourth proportional to 742,352.94, 1,024,469.76 and 436,373.19 is: 602,208.35
Step by Step Solution
- Step 1: Write the proportion equation
742,352.94 : 1,024,469.76 = 436,373.19 : x - Step 2: Convert to fraction form
742,352.94/1,024,469.76 = 436,373.19/x - Step 3: Cross multiply
742,352.94x = 1,024,469.76 × 436,373.19 - Step 4: Simplify right side
742,352.94x = 447,051,137,229.73 - Step 5: Solve for x
x = 447,051,137,229.73/742,352.94 - Step 6: Final answer
x = 602,208.35
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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.