Finding the Fourth Proportional to 1,058,800.31, 1,588,496.93 and 428,156.99
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Solution
The fourth proportional to 1,058,800.31, 1,588,496.93 and 428,156.99 is: 642,355.37
Step by Step Solution
- Step 1: Write the proportion equation
1,058,800.31 : 1,588,496.93 = 428,156.99 : x - Step 2: Convert to fraction form
1,058,800.31/1,588,496.93 = 428,156.99/x - Step 3: Cross multiply
1,058,800.31x = 1,588,496.93 × 428,156.99 - Step 4: Simplify right side
1,058,800.31x = 680,126,062,032.26 - Step 5: Solve for x
x = 680,126,062,032.26/1,058,800.31 - Step 6: Final answer
x = 642,355.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.