Finding the Fourth Proportional to 958,491.54, 1,322,714.57 and 528,798.42
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Solution
The fourth proportional to 958,491.54, 1,322,714.57 and 528,798.42 is: 729,739.75
Step by Step Solution
- Step 1: Write the proportion equation
958,491.54 : 1,322,714.57 = 528,798.42 : x - Step 2: Convert to fraction form
958,491.54/1,322,714.57 = 528,798.42/x - Step 3: Cross multiply
958,491.54x = 1,322,714.57 × 528,798.42 - Step 4: Simplify right side
958,491.54x = 699,449,374,726.98 - Step 5: Solve for x
x = 699,449,374,726.98/958,491.54 - Step 6: Final answer
x = 729,739.75
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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.