Finding the Fourth Proportional to 710,240.63, 980,126.26 and 387,950.81
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Solution
The fourth proportional to 710,240.63, 980,126.26 and 387,950.81 is: 535,368.94
Step by Step Solution
- Step 1: Write the proportion equation
710,240.63 : 980,126.26 = 387,950.81 : x - Step 2: Convert to fraction form
710,240.63/980,126.26 = 387,950.81/x - Step 3: Cross multiply
710,240.63x = 980,126.26 × 387,950.81 - Step 4: Simplify right side
710,240.63x = 380,240,770,598.76 - Step 5: Solve for x
x = 380,240,770,598.76/710,240.63 - Step 6: Final answer
x = 535,368.94
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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.