Finding the Fourth Proportional to 569,351.80, 854,027.70 and 289,415.80
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Solution
The fourth proportional to 569,351.80, 854,027.70 and 289,415.80 is: 434,123.70
Step by Step Solution
- Step 1: Write the proportion equation
569,351.80 : 854,027.70 = 289,415.80 : x - Step 2: Convert to fraction form
569,351.80/854,027.70 = 289,415.80/x - Step 3: Cross multiply
569,351.80x = 854,027.70 × 289,415.80 - Step 4: Simplify right side
569,351.80x = 247,169,110,017.66 - Step 5: Solve for x
x = 247,169,110,017.66/569,351.80 - Step 6: Final answer
x = 434,123.70
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1.5x scale
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.