Finding the Fourth Proportional to 603,772.80, 905,768.55 and 303,497.70
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Solution
The fourth proportional to 603,772.80, 905,768.55 and 303,497.70 is: 455,301.52
Step by Step Solution
- Step 1: Write the proportion equation
603,772.80 : 905,768.55 = 303,497.70 : x - Step 2: Convert to fraction form
603,772.80/905,768.55 = 303,497.70/x - Step 3: Cross multiply
603,772.80x = 905,768.55 × 303,497.70 - Step 4: Simplify right side
603,772.80x = 274,898,671,657.34 - Step 5: Solve for x
x = 274,898,671,657.34/603,772.80 - Step 6: Final answer
x = 455,301.52
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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.