Finding the Fourth Proportional to 559,626.78, 772,283.79 and 304,977.36
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Solution
The fourth proportional to 559,626.78, 772,283.79 and 304,977.36 is: 420,868.12
Step by Step Solution
- Step 1: Write the proportion equation
559,626.78 : 772,283.79 = 304,977.36 : x - Step 2: Convert to fraction form
559,626.78/772,283.79 = 304,977.36/x - Step 3: Cross multiply
559,626.78x = 772,283.79 × 304,977.36 - Step 4: Simplify right side
559,626.78x = 235,529,071,444.99 - Step 5: Solve for x
x = 235,529,071,444.99/559,626.78 - Step 6: Final answer
x = 420,868.12
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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.