Finding the Fourth Proportional to 979,509.84, 1,469,161.08 and 314,610
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Solution
The fourth proportional to 979,509.84, 1,469,161.08 and 314,610 is: 471,881.70
Step by Step Solution
- Step 1: Write the proportion equation
979,509.84 : 1,469,161.08 = 314,610 : x - Step 2: Convert to fraction form
979,509.84/1,469,161.08 = 314,610/x - Step 3: Cross multiply
979,509.84x = 1,469,161.08 × 314,610 - Step 4: Simplify right side
979,509.84x = 462,212,767,378.80 - Step 5: Solve for x
x = 462,212,767,378.80/979,509.84 - Step 6: Final answer
x = 471,881.70
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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.