Finding the Fourth Proportional to 1,379,771.80, 2,069,499.99 and 368,972.56
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Solution
The fourth proportional to 1,379,771.80, 2,069,499.99 and 368,972.56 is: 553,416.66
Step by Step Solution
- Step 1: Write the proportion equation
1,379,771.80 : 2,069,499.99 = 368,972.56 : x - Step 2: Convert to fraction form
1,379,771.80/2,069,499.99 = 368,972.56/x - Step 3: Cross multiply
1,379,771.80x = 2,069,499.99 × 368,972.56 - Step 4: Simplify right side
1,379,771.80x = 763,588,704,056.52 - Step 5: Solve for x
x = 763,588,704,056.52/1,379,771.80 - Step 6: Final answer
x = 553,416.66
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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.