Finding the Fourth Proportional to 638,798.44, 958,862.26 and 470,508.79
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Solution
The fourth proportional to 638,798.44, 958,862.26 and 470,508.79 is: 706,252.70
Step by Step Solution
- Step 1: Write the proportion equation
638,798.44 : 958,862.26 = 470,508.79 : x - Step 2: Convert to fraction form
638,798.44/958,862.26 = 470,508.79/x - Step 3: Cross multiply
638,798.44x = 958,862.26 × 470,508.79 - Step 4: Simplify right side
638,798.44x = 451,153,116,934.95 - Step 5: Solve for x
x = 451,153,116,934.95/638,798.44 - Step 6: Final answer
x = 706,252.70
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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.