Finding the Fourth Proportional to 879,274.69, 1,318,223.01 and 347,193.99
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Solution
The fourth proportional to 879,274.69, 1,318,223.01 and 347,193.99 is: 520,518.91
Step by Step Solution
- Step 1: Write the proportion equation
879,274.69 : 1,318,223.01 = 347,193.99 : x - Step 2: Convert to fraction form
879,274.69/1,318,223.01 = 347,193.99/x - Step 3: Cross multiply
879,274.69x = 1,318,223.01 × 347,193.99 - Step 4: Simplify right side
879,274.69x = 457,679,106,551.71 - Step 5: Solve for x
x = 457,679,106,551.71/879,274.69 - Step 6: Final answer
x = 520,518.91
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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.