Finding the Fourth Proportional to 572,800.24, 790,484.16 and 318,175.12
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Solution
The fourth proportional to 572,800.24, 790,484.16 and 318,175.12 is: 439,092.68
Step by Step Solution
- Step 1: Write the proportion equation
572,800.24 : 790,484.16 = 318,175.12 : x - Step 2: Convert to fraction form
572,800.24/790,484.16 = 318,175.12/x - Step 3: Cross multiply
572,800.24x = 790,484.16 × 318,175.12 - Step 4: Simplify right side
572,800.24x = 251,512,392,466.10 - Step 5: Solve for x
x = 251,512,392,466.10/572,800.24 - Step 6: Final answer
x = 439,092.68
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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.