Finding the Fourth Proportional to 513,605.54, 770,572.36 and 247,392.98
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Solution
The fourth proportional to 513,605.54, 770,572.36 and 247,392.98 is: 371,168.49
Step by Step Solution
- Step 1: Write the proportion equation
513,605.54 : 770,572.36 = 247,392.98 : x - Step 2: Convert to fraction form
513,605.54/770,572.36 = 247,392.98/x - Step 3: Cross multiply
513,605.54x = 770,572.36 × 247,392.98 - Step 4: Simplify right side
513,605.54x = 190,634,192,446.03 - Step 5: Solve for x
x = 190,634,192,446.03/513,605.54 - Step 6: Final answer
x = 371,168.49
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Double scale
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Similar ratio
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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.