Finding the Fourth Proportional to 498,054.74, 687,312.36 and 283,194.80
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Solution
The fourth proportional to 498,054.74, 687,312.36 and 283,194.80 is: 390,807.02
Step by Step Solution
- Step 1: Write the proportion equation
498,054.74 : 687,312.36 = 283,194.80 : x - Step 2: Convert to fraction form
498,054.74/687,312.36 = 283,194.80/x - Step 3: Cross multiply
498,054.74x = 687,312.36 × 283,194.80 - Step 4: Simplify right side
498,054.74x = 194,643,286,327.73 - Step 5: Solve for x
x = 194,643,286,327.73/498,054.74 - Step 6: Final answer
x = 390,807.02
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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.