Finding the Fourth Proportional to 619,239.64, 929,122.46 and 338,428.84
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Solution
The fourth proportional to 619,239.64, 929,122.46 and 338,428.84 is: 507,787.00
Step by Step Solution
- Step 1: Write the proportion equation
619,239.64 : 929,122.46 = 338,428.84 : x - Step 2: Convert to fraction form
619,239.64/929,122.46 = 338,428.84/x - Step 3: Cross multiply
619,239.64x = 929,122.46 × 338,428.84 - Step 4: Simplify right side
619,239.64x = 314,441,836,355.75 - Step 5: Solve for x
x = 314,441,836,355.75/619,239.64 - Step 6: Final answer
x = 507,787.00
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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.