Finding the Fourth Proportional to 498,248.81, 687,621.42 and 283,376.06
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Solution
The fourth proportional to 498,248.81, 687,621.42 and 283,376.06 is: 391,080.60
Step by Step Solution
- Step 1: Write the proportion equation
498,248.81 : 687,621.42 = 283,376.06 : x - Step 2: Convert to fraction form
498,248.81/687,621.42 = 283,376.06/x - Step 3: Cross multiply
498,248.81x = 687,621.42 × 283,376.06 - Step 4: Simplify right side
498,248.81x = 194,855,443,916.22 - Step 5: Solve for x
x = 194,855,443,916.22/498,248.81 - Step 6: Final answer
x = 391,080.60
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.