Finding the Fourth Proportional to 949,295.97, 1,309,977.98 and 519,493.07
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Solution
The fourth proportional to 949,295.97, 1,309,977.98 and 519,493.07 is: 716,872.81
Step by Step Solution
- Step 1: Write the proportion equation
949,295.97 : 1,309,977.98 = 519,493.07 : x - Step 2: Convert to fraction form
949,295.97/1,309,977.98 = 519,493.07/x - Step 3: Cross multiply
949,295.97x = 1,309,977.98 × 519,493.07 - Step 4: Simplify right side
949,295.97x = 680,524,475,263.34 - Step 5: Solve for x
x = 680,524,475,263.34/949,295.97 - Step 6: Final answer
x = 716,872.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.