Finding the Fourth Proportional to 706,239.03, 974,589.57 and 400,343.70
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Solution
The fourth proportional to 706,239.03, 974,589.57 and 400,343.70 is: 552,462.80
Step by Step Solution
- Step 1: Write the proportion equation
706,239.03 : 974,589.57 = 400,343.70 : x - Step 2: Convert to fraction form
706,239.03/974,589.57 = 400,343.70/x - Step 3: Cross multiply
706,239.03x = 974,589.57 × 400,343.70 - Step 4: Simplify right side
706,239.03x = 390,170,794,435.21 - Step 5: Solve for x
x = 390,170,794,435.21/706,239.03 - Step 6: Final answer
x = 552,462.80
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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.