Finding the Fourth Proportional to 702,990.60, 970,114.98 and 380,698.08
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Solution
The fourth proportional to 702,990.60, 970,114.98 and 380,698.08 is: 525,356.83
Step by Step Solution
- Step 1: Write the proportion equation
702,990.60 : 970,114.98 = 380,698.08 : x - Step 2: Convert to fraction form
702,990.60/970,114.98 = 380,698.08/x - Step 3: Cross multiply
702,990.60x = 970,114.98 × 380,698.08 - Step 4: Simplify right side
702,990.60x = 369,320,910,265.24 - Step 5: Solve for x
x = 369,320,910,265.24/702,990.60 - Step 6: Final answer
x = 525,356.83
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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.