Finding the Fourth Proportional to 884,425.68, 1,220,129.19 and 577,970.19
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Solution
The fourth proportional to 884,425.68, 1,220,129.19 and 577,970.19 is: 797,351.68
Step by Step Solution
- Step 1: Write the proportion equation
884,425.68 : 1,220,129.19 = 577,970.19 : x - Step 2: Convert to fraction form
884,425.68/1,220,129.19 = 577,970.19/x - Step 3: Cross multiply
884,425.68x = 1,220,129.19 × 577,970.19 - Step 4: Simplify right side
884,425.68x = 705,198,299,768.85 - Step 5: Solve for x
x = 705,198,299,768.85/884,425.68 - Step 6: Final answer
x = 797,351.68
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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.