Finding the Fourth Proportional to 832,626, 1,149,021.72 and 450,652.68
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Solution
The fourth proportional to 832,626, 1,149,021.72 and 450,652.68 is: 621,899.53
Step by Step Solution
- Step 1: Write the proportion equation
832,626 : 1,149,021.72 = 450,652.68 : x - Step 2: Convert to fraction form
832,626/1,149,021.72 = 450,652.68/x - Step 3: Cross multiply
832,626x = 1,149,021.72 × 450,652.68 - Step 4: Simplify right side
832,626x = 517,809,717,496.21 - Step 5: Solve for x
x = 517,809,717,496.21/832,626 - Step 6: Final answer
x = 621,899.53
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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.