Finding the Fourth Proportional to 706,461.58, 974,574.20 and 419,778.68
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Solution
The fourth proportional to 706,461.58, 974,574.20 and 419,778.68 is: 579,090.90
Step by Step Solution
- Step 1: Write the proportion equation
706,461.58 : 974,574.20 = 419,778.68 : x - Step 2: Convert to fraction form
706,461.58/974,574.20 = 419,778.68/x - Step 3: Cross multiply
706,461.58x = 974,574.20 × 419,778.68 - Step 4: Simplify right side
706,461.58x = 409,105,469,139.16 - Step 5: Solve for x
x = 409,105,469,139.16/706,461.58 - Step 6: Final answer
x = 579,090.90
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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.