Finding the Fourth Proportional to 558,190.76, 770,368.26 and 313,243.04
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Solution
The fourth proportional to 558,190.76, 770,368.26 and 313,243.04 is: 432,311.88
Step by Step Solution
- Step 1: Write the proportion equation
558,190.76 : 770,368.26 = 313,243.04 : x - Step 2: Convert to fraction form
558,190.76/770,368.26 = 313,243.04/x - Step 3: Cross multiply
558,190.76x = 770,368.26 × 313,243.04 - Step 4: Simplify right side
558,190.76x = 241,312,495,681.91 - Step 5: Solve for x
x = 241,312,495,681.91/558,190.76 - Step 6: Final answer
x = 432,311.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.