Finding the Fourth Proportional to 750,653.92, 1,035,645.06 and 428,132.08
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Solution
The fourth proportional to 750,653.92, 1,035,645.06 and 428,132.08 is: 590,675.49
Step by Step Solution
- Step 1: Write the proportion equation
750,653.92 : 1,035,645.06 = 428,132.08 : x - Step 2: Convert to fraction form
750,653.92/1,035,645.06 = 428,132.08/x - Step 3: Cross multiply
750,653.92x = 1,035,645.06 × 428,132.08 - Step 4: Simplify right side
750,653.92x = 443,392,873,679.53 - Step 5: Solve for x
x = 443,392,873,679.53/750,653.92 - Step 6: Final answer
x = 590,675.49
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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.