Finding the Fourth Proportional to 832,475.94, 1,148,820.30 and 450,502.74
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Solution
The fourth proportional to 832,475.94, 1,148,820.30 and 450,502.74 is: 621,695.68
Step by Step Solution
- Step 1: Write the proportion equation
832,475.94 : 1,148,820.30 = 450,502.74 : x - Step 2: Convert to fraction form
832,475.94/1,148,820.30 = 450,502.74/x - Step 3: Cross multiply
832,475.94x = 1,148,820.30 × 450,502.74 - Step 4: Simplify right side
832,475.94x = 517,546,692,917.62 - Step 5: Solve for x
x = 517,546,692,917.62/832,475.94 - Step 6: Final answer
x = 621,695.68
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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.