Finding the Fourth Proportional to 554,184.98, 764,818.59 and 309,246.75
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Solution
The fourth proportional to 554,184.98, 764,818.59 and 309,246.75 is: 426,784.69
Step by Step Solution
- Step 1: Write the proportion equation
554,184.98 : 764,818.59 = 309,246.75 : x - Step 2: Convert to fraction form
554,184.98/764,818.59 = 309,246.75/x - Step 3: Cross multiply
554,184.98x = 764,818.59 × 309,246.75 - Step 4: Simplify right side
554,184.98x = 236,517,663,297.08 - Step 5: Solve for x
x = 236,517,663,297.08/554,184.98 - Step 6: Final answer
x = 426,784.69
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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.