Finding the Fourth Proportional to 1,029,663.84, 1,419,360.98 and 722,879.58
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Solution
The fourth proportional to 1,029,663.84, 1,419,360.98 and 722,879.58 is: 996,468.00
Step by Step Solution
- Step 1: Write the proportion equation
1,029,663.84 : 1,419,360.98 = 722,879.58 : x - Step 2: Convert to fraction form
1,029,663.84/1,419,360.98 = 722,879.58/x - Step 3: Cross multiply
1,029,663.84x = 1,419,360.98 × 722,879.58 - Step 4: Simplify right side
1,029,663.84x = 1,026,027,069,090.79 - Step 5: Solve for x
x = 1,026,027,069,090.79/1,029,663.84 - Step 6: Final answer
x = 996,468.00
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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.