Finding the Fourth Proportional to 520,749.74, 779,863.19 and 360,376.28
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Solution
The fourth proportional to 520,749.74, 779,863.19 and 360,376.28 is: 539,691.48
Step by Step Solution
- Step 1: Write the proportion equation
520,749.74 : 779,863.19 = 360,376.28 : x - Step 2: Convert to fraction form
520,749.74/779,863.19 = 360,376.28/x - Step 3: Cross multiply
520,749.74x = 779,863.19 × 360,376.28 - Step 4: Simplify right side
520,749.74x = 281,044,195,321.13 - Step 5: Solve for x
x = 281,044,195,321.13/520,749.74 - Step 6: Final answer
x = 539,691.48
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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.