Finding the Fourth Proportional to 714,841.44, 985,647.78 and 533,238.09
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Solution
The fourth proportional to 714,841.44, 985,647.78 and 533,238.09 is: 735,246.88
Step by Step Solution
- Step 1: Write the proportion equation
714,841.44 : 985,647.78 = 533,238.09 : x - Step 2: Convert to fraction form
714,841.44/985,647.78 = 533,238.09/x - Step 3: Cross multiply
714,841.44x = 985,647.78 × 533,238.09 - Step 4: Simplify right side
714,841.44x = 525,584,939,619.94 - Step 5: Solve for x
x = 525,584,939,619.94/714,841.44 - Step 6: Final answer
x = 735,246.88
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1.5x scale
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.