Finding the Fourth Proportional to 879,277.19, 1,318,226.76 and 347,196.50
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Solution
The fourth proportional to 879,277.19, 1,318,226.76 and 347,196.50 is: 520,522.68
Step by Step Solution
- Step 1: Write the proportion equation
879,277.19 : 1,318,226.76 = 347,196.50 : x - Step 2: Convert to fraction form
879,277.19/1,318,226.76 = 347,196.50/x - Step 3: Cross multiply
879,277.19x = 1,318,226.76 × 347,196.50 - Step 4: Simplify right side
879,277.19x = 457,683,717,278.34 - Step 5: Solve for x
x = 457,683,717,278.34/879,277.19 - Step 6: Final answer
x = 520,522.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.