Finding the Fourth Proportional to 497,708.90, 686,808.68 and 282,819.14
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Solution
The fourth proportional to 497,708.90, 686,808.68 and 282,819.14 is: 390,273.59
Step by Step Solution
- Step 1: Write the proportion equation
497,708.90 : 686,808.68 = 282,819.14 : x - Step 2: Convert to fraction form
497,708.90/686,808.68 = 282,819.14/x - Step 3: Cross multiply
497,708.90x = 686,808.68 × 282,819.14 - Step 4: Simplify right side
497,708.90x = 194,242,640,222.14 - Step 5: Solve for x
x = 194,242,640,222.14/497,708.90 - Step 6: Final answer
x = 390,273.59
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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.