Finding the Fourth Proportional to 490,594.59, 677,289.20 and 297,036.99
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Solution
The fourth proportional to 490,594.59, 677,289.20 and 297,036.99 is: 410,073.71
Step by Step Solution
- Step 1: Write the proportion equation
490,594.59 : 677,289.20 = 297,036.99 : x - Step 2: Convert to fraction form
490,594.59/677,289.20 = 297,036.99/x - Step 3: Cross multiply
490,594.59x = 677,289.20 × 297,036.99 - Step 4: Simplify right side
490,594.59x = 201,179,943,842.32 - Step 5: Solve for x
x = 201,179,943,842.32/490,594.59 - Step 6: Final answer
x = 410,073.71
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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.