Finding the Fourth Proportional to 986,458.95, 1,361,176.79 and 550,823.13
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Solution
The fourth proportional to 986,458.95, 1,361,176.79 and 550,823.13 is: 760,059.66
Step by Step Solution
- Step 1: Write the proportion equation
986,458.95 : 1,361,176.79 = 550,823.13 : x - Step 2: Convert to fraction form
986,458.95/1,361,176.79 = 550,823.13/x - Step 3: Cross multiply
986,458.95x = 1,361,176.79 × 550,823.13 - Step 4: Simplify right side
986,458.95x = 749,767,657,197.04 - Step 5: Solve for x
x = 749,767,657,197.04/986,458.95 - Step 6: Final answer
x = 760,059.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.