Finding the Fourth Proportional to 832,480.38, 1,148,822.84 and 450,507.14
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Solution
The fourth proportional to 832,480.38, 1,148,822.84 and 450,507.14 is: 621,699.81
Step by Step Solution
- Step 1: Write the proportion equation
832,480.38 : 1,148,822.84 = 450,507.14 : x - Step 2: Convert to fraction form
832,480.38/1,148,822.84 = 450,507.14/x - Step 3: Cross multiply
832,480.38x = 1,148,822.84 × 450,507.14 - Step 4: Simplify right side
832,480.38x = 517,552,892,015.08 - Step 5: Solve for x
x = 517,552,892,015.08/832,480.38 - Step 6: Final answer
x = 621,699.81
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1.5x scale
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.