Finding the Fourth Proportional to 1,058,218.76, 1,587,088.75 and 489,289.84
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Solution
The fourth proportional to 1,058,218.76, 1,587,088.75 and 489,289.84 is: 733,824.07
Step by Step Solution
- Step 1: Write the proportion equation
1,058,218.76 : 1,587,088.75 = 489,289.84 : x - Step 2: Convert to fraction form
1,058,218.76/1,587,088.75 = 489,289.84/x - Step 3: Cross multiply
1,058,218.76x = 1,587,088.75 × 489,289.84 - Step 4: Simplify right side
1,058,218.76x = 776,546,400,553.30 - Step 5: Solve for x
x = 776,546,400,553.30/1,058,218.76 - Step 6: Final answer
x = 733,824.07
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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.