Finding the Fourth Proportional to 1,058,883.18, 1,587,023.51 and 489,494.09
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Solution
The fourth proportional to 1,058,883.18, 1,587,023.51 and 489,494.09 is: 733,639.59
Step by Step Solution
- Step 1: Write the proportion equation
1,058,883.18 : 1,587,023.51 = 489,494.09 : x - Step 2: Convert to fraction form
1,058,883.18/1,587,023.51 = 489,494.09/x - Step 3: Cross multiply
1,058,883.18x = 1,587,023.51 × 489,494.09 - Step 4: Simplify right side
1,058,883.18x = 776,838,618,453.47 - Step 5: Solve for x
x = 776,838,618,453.47/1,058,883.18 - Step 6: Final answer
x = 733,639.59
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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.