Finding the Fourth Proportional to 554,214.49, 764,870.83 and 336,405.98
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Solution
The fourth proportional to 554,214.49, 764,870.83 and 336,405.98 is: 464,273.54
Step by Step Solution
- Step 1: Write the proportion equation
554,214.49 : 764,870.83 = 336,405.98 : x - Step 2: Convert to fraction form
554,214.49/764,870.83 = 336,405.98/x - Step 3: Cross multiply
554,214.49x = 764,870.83 × 336,405.98 - Step 4: Simplify right side
554,214.49x = 257,307,122,210.73 - Step 5: Solve for x
x = 257,307,122,210.73/554,214.49 - Step 6: Final answer
x = 464,273.54
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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.