Finding the Fourth Proportional to 710,148.14, 979,989.26 and 387,859.50
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Solution
The fourth proportional to 710,148.14, 979,989.26 and 387,859.50 is: 535,237.82
Step by Step Solution
- Step 1: Write the proportion equation
710,148.14 : 979,989.26 = 387,859.50 : x - Step 2: Convert to fraction form
710,148.14/979,989.26 = 387,859.50/x - Step 3: Cross multiply
710,148.14x = 979,989.26 × 387,859.50 - Step 4: Simplify right side
710,148.14x = 380,098,144,388.97 - Step 5: Solve for x
x = 380,098,144,388.97/710,148.14 - Step 6: Final answer
x = 535,237.82
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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.