Finding the Fourth Proportional to 497,518.62, 686,575.95 and 282,659.06
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Solution
The fourth proportional to 497,518.62, 686,575.95 and 282,659.06 is: 390,069.65
Step by Step Solution
- Step 1: Write the proportion equation
497,518.62 : 686,575.95 = 282,659.06 : x - Step 2: Convert to fraction form
497,518.62/686,575.95 = 282,659.06/x - Step 3: Cross multiply
497,518.62x = 686,575.95 × 282,659.06 - Step 4: Simplify right side
497,518.62x = 194,066,912,645.61 - Step 5: Solve for x
x = 194,066,912,645.61/497,518.62 - Step 6: Final answer
x = 390,069.65
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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.