Finding the Fourth Proportional to 747,862.48, 1,121,795.58 and 298,619.92
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Solution
The fourth proportional to 747,862.48, 1,121,795.58 and 298,619.92 is: 447,930.62
Step by Step Solution
- Step 1: Write the proportion equation
747,862.48 : 1,121,795.58 = 298,619.92 : x - Step 2: Convert to fraction form
747,862.48/1,121,795.58 = 298,619.92/x - Step 3: Cross multiply
747,862.48x = 1,121,795.58 × 298,619.92 - Step 4: Simplify right side
747,862.48x = 334,990,506,355.95 - Step 5: Solve for x
x = 334,990,506,355.95/747,862.48 - Step 6: Final answer
x = 447,930.62
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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.