Finding the Fourth Proportional to 498,449.37, 687,851.28 and 283,584.81
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Solution
The fourth proportional to 498,449.37, 687,851.28 and 283,584.81 is: 391,342.00
Step by Step Solution
- Step 1: Write the proportion equation
498,449.37 : 687,851.28 = 283,584.81 : x - Step 2: Convert to fraction form
498,449.37/687,851.28 = 283,584.81/x - Step 3: Cross multiply
498,449.37x = 687,851.28 × 283,584.81 - Step 4: Simplify right side
498,449.37x = 195,064,174,547.06 - Step 5: Solve for x
x = 195,064,174,547.06/498,449.37 - Step 6: Final answer
x = 391,342.00
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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.