Finding the Fourth Proportional to 521,805.70, 782,713.35 and 272,973.70
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Solution
The fourth proportional to 521,805.70, 782,713.35 and 272,973.70 is: 409,463.06
Step by Step Solution
- Step 1: Write the proportion equation
521,805.70 : 782,713.35 = 272,973.70 : x - Step 2: Convert to fraction form
521,805.70/782,713.35 = 272,973.70/x - Step 3: Cross multiply
521,805.70x = 782,713.35 × 272,973.70 - Step 4: Simplify right side
521,805.70x = 213,660,159,188.90 - Step 5: Solve for x
x = 213,660,159,188.90/521,805.70 - Step 6: Final answer
x = 409,463.06
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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.