Finding the Fourth Proportional to 963,978.06, 1,330,289.84 and 534,285.92
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Solution
The fourth proportional to 963,978.06, 1,330,289.84 and 534,285.92 is: 737,314.63
Step by Step Solution
- Step 1: Write the proportion equation
963,978.06 : 1,330,289.84 = 534,285.92 : x - Step 2: Convert to fraction form
963,978.06/1,330,289.84 = 534,285.92/x - Step 3: Cross multiply
963,978.06x = 1,330,289.84 × 534,285.92 - Step 4: Simplify right side
963,978.06x = 710,755,131,031.05 - Step 5: Solve for x
x = 710,755,131,031.05/963,978.06 - Step 6: Final answer
x = 737,314.63
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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.