Finding the Fourth Proportional to 507,154.57, 699,714.86 and 292,265.42
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Solution
The fourth proportional to 507,154.57, 699,714.86 and 292,265.42 is: 403,234.96
Step by Step Solution
- Step 1: Write the proportion equation
507,154.57 : 699,714.86 = 292,265.42 : x - Step 2: Convert to fraction form
507,154.57/699,714.86 = 292,265.42/x - Step 3: Cross multiply
507,154.57x = 699,714.86 × 292,265.42 - Step 4: Simplify right side
507,154.57x = 204,502,452,478.24 - Step 5: Solve for x
x = 204,502,452,478.24/507,154.57 - Step 6: Final answer
x = 403,234.96
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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.