Finding the Fourth Proportional to 750,507.24, 1,035,679.74 and 428,211.48
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Solution
The fourth proportional to 750,507.24, 1,035,679.74 and 428,211.48 is: 590,920.29
Step by Step Solution
- Step 1: Write the proportion equation
750,507.24 : 1,035,679.74 = 428,211.48 : x - Step 2: Convert to fraction form
750,507.24/1,035,679.74 = 428,211.48/x - Step 3: Cross multiply
750,507.24x = 1,035,679.74 × 428,211.48 - Step 4: Simplify right side
750,507.24x = 443,489,954,271.42 - Step 5: Solve for x
x = 443,489,954,271.42/750,507.24 - Step 6: Final answer
x = 590,920.29
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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.