Finding the Fourth Proportional to 855,606.70, 1,283,410.05 and 814,134.70
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Solution
The fourth proportional to 855,606.70, 1,283,410.05 and 814,134.70 is: 1,221,202.05
Step by Step Solution
- Step 1: Write the proportion equation
855,606.70 : 1,283,410.05 = 814,134.70 : x - Step 2: Convert to fraction form
855,606.70/1,283,410.05 = 814,134.70/x - Step 3: Cross multiply
855,606.70x = 1,283,410.05 × 814,134.70 - Step 4: Simplify right side
855,606.70x = 1,044,868,656,033.74 - Step 5: Solve for x
x = 1,044,868,656,033.74/855,606.70 - Step 6: Final answer
x = 1,221,202.05
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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.