Finding the Fourth Proportional to 980,606.74, 1,470,067.58 and 340,827.36
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Solution
The fourth proportional to 980,606.74, 1,470,067.58 and 340,827.36 is: 510,948.20
Step by Step Solution
- Step 1: Write the proportion equation
980,606.74 : 1,470,067.58 = 340,827.36 : x - Step 2: Convert to fraction form
980,606.74/1,470,067.58 = 340,827.36/x - Step 3: Cross multiply
980,606.74x = 1,470,067.58 × 340,827.36 - Step 4: Simplify right side
980,606.74x = 501,039,252,312.99 - Step 5: Solve for x
x = 501,039,252,312.99/980,606.74 - Step 6: Final answer
x = 510,948.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.