Finding the Fourth Proportional to 706,880.80, 1,060,839.60 and 470,144.80
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Solution
The fourth proportional to 706,880.80, 1,060,839.60 and 470,144.80 is: 705,561.99
Step by Step Solution
- Step 1: Write the proportion equation
706,880.80 : 1,060,839.60 = 470,144.80 : x - Step 2: Convert to fraction form
706,880.80/1,060,839.60 = 470,144.80/x - Step 3: Cross multiply
706,880.80x = 1,060,839.60 × 470,144.80 - Step 4: Simplify right side
706,880.80x = 498,748,221,574.08 - Step 5: Solve for x
x = 498,748,221,574.08/706,880.80 - Step 6: Final answer
x = 705,561.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.