Finding the Fourth Proportional to 935,862.10, 1,403,793.15 and 304,839.70
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Solution
The fourth proportional to 935,862.10, 1,403,793.15 and 304,839.70 is: 457,259.55
Step by Step Solution
- Step 1: Write the proportion equation
935,862.10 : 1,403,793.15 = 304,839.70 : x - Step 2: Convert to fraction form
935,862.10/1,403,793.15 = 304,839.70/x - Step 3: Cross multiply
935,862.10x = 1,403,793.15 × 304,839.70 - Step 4: Simplify right side
935,862.10x = 427,931,882,708.06 - Step 5: Solve for x
x = 427,931,882,708.06/935,862.10 - Step 6: Final answer
x = 457,259.55
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Similar ratio
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1.5x scale
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.