Finding the Fourth Proportional to 512,792.42, 707,638.64 and 283,346.06
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Solution
The fourth proportional to 512,792.42, 707,638.64 and 283,346.06 is: 391,009.32
Step by Step Solution
- Step 1: Write the proportion equation
512,792.42 : 707,638.64 = 283,346.06 : x - Step 2: Convert to fraction form
512,792.42/707,638.64 = 283,346.06/x - Step 3: Cross multiply
512,792.42x = 707,638.64 × 283,346.06 - Step 4: Simplify right side
512,792.42x = 200,506,615,592.84 - Step 5: Solve for x
x = 200,506,615,592.84/512,792.42 - Step 6: Final answer
x = 391,009.32
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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.