Finding the Fourth Proportional to 963,968.16, 1,330,276.08 and 534,312.96
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Solution
The fourth proportional to 963,968.16, 1,330,276.08 and 534,312.96 is: 737,351.90
Step by Step Solution
- Step 1: Write the proportion equation
963,968.16 : 1,330,276.08 = 534,312.96 : x - Step 2: Convert to fraction form
963,968.16/1,330,276.08 = 534,312.96/x - Step 3: Cross multiply
963,968.16x = 1,330,276.08 × 534,312.96 - Step 4: Simplify right side
963,968.16x = 710,783,749,922.00 - Step 5: Solve for x
x = 710,783,749,922.00/963,968.16 - Step 6: Final answer
x = 737,351.90
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1.5x scale
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.