Finding the Fourth Proportional to 746,856.09, 1,030,630.19 and 407,304.09
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Solution
The fourth proportional to 746,856.09, 1,030,630.19 and 407,304.09 is: 562,062.62
Step by Step Solution
- Step 1: Write the proportion equation
746,856.09 : 1,030,630.19 = 407,304.09 : x - Step 2: Convert to fraction form
746,856.09/1,030,630.19 = 407,304.09/x - Step 3: Cross multiply
746,856.09x = 1,030,630.19 × 407,304.09 - Step 4: Simplify right side
746,856.09x = 419,779,889,627.96 - Step 5: Solve for x
x = 419,779,889,627.96/746,856.09 - Step 6: Final answer
x = 562,062.62
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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.