Finding the Fourth Proportional to 717,399.46, 989,937.99 and 441,713.53
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Solution
The fourth proportional to 717,399.46, 989,937.99 and 441,713.53 is: 609,519.56
Step by Step Solution
- Step 1: Write the proportion equation
717,399.46 : 989,937.99 = 441,713.53 : x - Step 2: Convert to fraction form
717,399.46/989,937.99 = 441,713.53/x - Step 3: Cross multiply
717,399.46x = 989,937.99 × 441,713.53 - Step 4: Simplify right side
717,399.46x = 437,269,001,835.44 - Step 5: Solve for x
x = 437,269,001,835.44/717,399.46 - Step 6: Final answer
x = 609,519.56
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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.