Finding the Fourth Proportional to 943,351.80, 1,415,027.70 and 470,959.80
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Solution
The fourth proportional to 943,351.80, 1,415,027.70 and 470,959.80 is: 706,439.70
Step by Step Solution
- Step 1: Write the proportion equation
943,351.80 : 1,415,027.70 = 470,959.80 : x - Step 2: Convert to fraction form
943,351.80/1,415,027.70 = 470,959.80/x - Step 3: Cross multiply
943,351.80x = 1,415,027.70 × 470,959.80 - Step 4: Simplify right side
943,351.80x = 666,421,162,586.46 - Step 5: Solve for x
x = 666,421,162,586.46/943,351.80 - Step 6: Final answer
x = 706,439.70
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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.