Finding the Fourth Proportional to 478,846.70, 718,270.05 and 471,848.30
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Solution
The fourth proportional to 478,846.70, 718,270.05 and 471,848.30 is: 707,772.45
Step by Step Solution
- Step 1: Write the proportion equation
478,846.70 : 718,270.05 = 471,848.30 : x - Step 2: Convert to fraction form
478,846.70/718,270.05 = 471,848.30/x - Step 3: Cross multiply
478,846.70x = 718,270.05 × 471,848.30 - Step 4: Simplify right side
478,846.70x = 338,914,502,033.42 - Step 5: Solve for x
x = 338,914,502,033.42/478,846.70 - Step 6: Final answer
x = 707,772.45
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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.