Finding the Fourth Proportional to 939,794.40, 1,408,707.45 and 370,955.70
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Solution
The fourth proportional to 939,794.40, 1,408,707.45 and 370,955.70 is: 556,045.09
Step by Step Solution
- Step 1: Write the proportion equation
939,794.40 : 1,408,707.45 = 370,955.70 : x - Step 2: Convert to fraction form
939,794.40/1,408,707.45 = 370,955.70/x - Step 3: Cross multiply
939,794.40x = 1,408,707.45 × 370,955.70 - Step 4: Simplify right side
939,794.40x = 522,568,058,209.97 - Step 5: Solve for x
x = 522,568,058,209.97/939,794.40 - Step 6: Final answer
x = 556,045.09
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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.