Finding the Fourth Proportional to 498,565.99, 687,997.16 and 283,685.95
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Solution
The fourth proportional to 498,565.99, 687,997.16 and 283,685.95 is: 391,473.01
Step by Step Solution
- Step 1: Write the proportion equation
498,565.99 : 687,997.16 = 283,685.95 : x - Step 2: Convert to fraction form
498,565.99/687,997.16 = 283,685.95/x - Step 3: Cross multiply
498,565.99x = 687,997.16 × 283,685.95 - Step 4: Simplify right side
498,565.99x = 195,175,126,513.47 - Step 5: Solve for x
x = 195,175,126,513.47/498,565.99 - Step 6: Final answer
x = 391,473.01
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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.