Finding the Fourth Proportional to 851,036.70, 1,276,555.05 and 473,123.10
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Solution
The fourth proportional to 851,036.70, 1,276,555.05 and 473,123.10 is: 709,684.65
Step by Step Solution
- Step 1: Write the proportion equation
851,036.70 : 1,276,555.05 = 473,123.10 : x - Step 2: Convert to fraction form
851,036.70/1,276,555.05 = 473,123.10/x - Step 3: Cross multiply
851,036.70x = 1,276,555.05 × 473,123.10 - Step 4: Simplify right side
851,036.70x = 603,967,682,576.66 - Step 5: Solve for x
x = 603,967,682,576.66/851,036.70 - Step 6: Final answer
x = 709,684.65
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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.