Finding the Fourth Proportional to 526,935.62, 727,307.40 and 343,631.12
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Solution
The fourth proportional to 526,935.62, 727,307.40 and 343,631.12 is: 474,299.79
Step by Step Solution
- Step 1: Write the proportion equation
526,935.62 : 727,307.40 = 343,631.12 : x - Step 2: Convert to fraction form
526,935.62/727,307.40 = 343,631.12/x - Step 3: Cross multiply
526,935.62x = 727,307.40 × 343,631.12 - Step 4: Simplify right side
526,935.62x = 249,925,452,809.75 - Step 5: Solve for x
x = 249,925,452,809.75/526,935.62 - Step 6: Final answer
x = 474,299.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.