Finding the Fourth Proportional to 660,267.16, 989,744.62 and 393,628.12
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Solution
The fourth proportional to 660,267.16, 989,744.62 and 393,628.12 is: 590,051.02
Step by Step Solution
- Step 1: Write the proportion equation
660,267.16 : 989,744.62 = 393,628.12 : x - Step 2: Convert to fraction form
660,267.16/989,744.62 = 393,628.12/x - Step 3: Cross multiply
660,267.16x = 989,744.62 × 393,628.12 - Step 4: Simplify right side
660,267.16x = 389,591,314,050.71 - Step 5: Solve for x
x = 389,591,314,050.71/660,267.16 - Step 6: Final answer
x = 590,051.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.