Finding the Fourth Proportional to 513,684.56, 770,679.48 and 247,368.08
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Solution
The fourth proportional to 513,684.56, 770,679.48 and 247,368.08 is: 371,125.62
Step by Step Solution
- Step 1: Write the proportion equation
513,684.56 : 770,679.48 = 247,368.08 : x - Step 2: Convert to fraction form
513,684.56/770,679.48 = 247,368.08/x - Step 3: Cross multiply
513,684.56x = 770,679.48 × 247,368.08 - Step 4: Simplify right side
513,684.56x = 190,641,503,263.00 - Step 5: Solve for x
x = 190,641,503,263.00/513,684.56 - Step 6: Final answer
x = 371,125.62
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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.