Finding the Fourth Proportional to 568,090.21, 784,248.58 and 353,299.47
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Solution
The fourth proportional to 568,090.21, 784,248.58 and 353,299.47 is: 487,729.94
Step by Step Solution
- Step 1: Write the proportion equation
568,090.21 : 784,248.58 = 353,299.47 : x - Step 2: Convert to fraction form
568,090.21/784,248.58 = 353,299.47/x - Step 3: Cross multiply
568,090.21x = 784,248.58 × 353,299.47 - Step 4: Simplify right side
568,090.21x = 277,074,605,895.76 - Step 5: Solve for x
x = 277,074,605,895.76/568,090.21 - Step 6: Final answer
x = 487,729.94
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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.