Finding the Fourth Proportional to 771,649.24, 1,064,846.10 and 432,100.12
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Solution
The fourth proportional to 771,649.24, 1,064,846.10 and 432,100.12 is: 596,281.45
Step by Step Solution
- Step 1: Write the proportion equation
771,649.24 : 1,064,846.10 = 432,100.12 : x - Step 2: Convert to fraction form
771,649.24/1,064,846.10 = 432,100.12/x - Step 3: Cross multiply
771,649.24x = 1,064,846.10 × 432,100.12 - Step 4: Simplify right side
771,649.24x = 460,120,127,591.53 - Step 5: Solve for x
x = 460,120,127,591.53/771,649.24 - Step 6: Final answer
x = 596,281.45
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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.