Finding the Fourth Proportional to 896,203.20, 1,344,304.80 and 423,811.20
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Solution
The fourth proportional to 896,203.20, 1,344,304.80 and 423,811.20 is: 635,716.80
Step by Step Solution
- Step 1: Write the proportion equation
896,203.20 : 1,344,304.80 = 423,811.20 : x - Step 2: Convert to fraction form
896,203.20/1,344,304.80 = 423,811.20/x - Step 3: Cross multiply
896,203.20x = 1,344,304.80 × 423,811.20 - Step 4: Simplify right side
896,203.20x = 569,731,430,453.76 - Step 5: Solve for x
x = 569,731,430,453.76/896,203.20 - Step 6: Final answer
x = 635,716.80
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1.5x scale
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.