Finding the Fourth Proportional to 890,103.24, 1,228,276.20 and 502,798.44
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Solution
The fourth proportional to 890,103.24, 1,228,276.20 and 502,798.44 is: 693,824.41
Step by Step Solution
- Step 1: Write the proportion equation
890,103.24 : 1,228,276.20 = 502,798.44 : x - Step 2: Convert to fraction form
890,103.24/1,228,276.20 = 502,798.44/x - Step 3: Cross multiply
890,103.24x = 1,228,276.20 × 502,798.44 - Step 4: Simplify right side
890,103.24x = 617,575,357,249.13 - Step 5: Solve for x
x = 617,575,357,249.13/890,103.24 - Step 6: Final answer
x = 693,824.41
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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.