Finding the Fourth Proportional to 980,430.48, 1,353,026.92 and 544,866.18
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Solution
The fourth proportional to 980,430.48, 1,353,026.92 and 544,866.18 is: 751,933.59
Step by Step Solution
- Step 1: Write the proportion equation
980,430.48 : 1,353,026.92 = 544,866.18 : x - Step 2: Convert to fraction form
980,430.48/1,353,026.92 = 544,866.18/x - Step 3: Cross multiply
980,430.48x = 1,353,026.92 × 544,866.18 - Step 4: Simplify right side
980,430.48x = 737,218,609,490.70 - Step 5: Solve for x
x = 737,218,609,490.70/980,430.48 - Step 6: Final answer
x = 751,933.59
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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.