Finding the Fourth Proportional to 1,047,474.87, 1,570,925.55 and 289,135.05
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Solution
The fourth proportional to 1,047,474.87, 1,570,925.55 and 289,135.05 is: 433,623.42
Step by Step Solution
- Step 1: Write the proportion equation
1,047,474.87 : 1,570,925.55 = 289,135.05 : x - Step 2: Convert to fraction form
1,047,474.87/1,570,925.55 = 289,135.05/x - Step 3: Cross multiply
1,047,474.87x = 1,570,925.55 × 289,135.05 - Step 4: Simplify right side
1,047,474.87x = 454,209,637,445.53 - Step 5: Solve for x
x = 454,209,637,445.53/1,047,474.87 - Step 6: Final answer
x = 433,623.42
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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.