Finding the Fourth Proportional to 552,604.32, 762,562.68 and 310,897.08
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Solution
The fourth proportional to 552,604.32, 762,562.68 and 310,897.08 is: 429,020.37
Step by Step Solution
- Step 1: Write the proportion equation
552,604.32 : 762,562.68 = 310,897.08 : x - Step 2: Convert to fraction form
552,604.32/762,562.68 = 310,897.08/x - Step 3: Cross multiply
552,604.32x = 762,562.68 × 310,897.08 - Step 4: Simplify right side
552,604.32x = 237,078,510,528.97 - Step 5: Solve for x
x = 237,078,510,528.97/552,604.32 - Step 6: Final answer
x = 429,020.37
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1.5x scale
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.