Finding the Fourth Proportional to 536,587.55, 740,329.35 and 321,649.19
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Solution
The fourth proportional to 536,587.55, 740,329.35 and 321,649.19 is: 443,779.09
Step by Step Solution
- Step 1: Write the proportion equation
536,587.55 : 740,329.35 = 321,649.19 : x - Step 2: Convert to fraction form
536,587.55/740,329.35 = 321,649.19/x - Step 3: Cross multiply
536,587.55x = 740,329.35 × 321,649.19 - Step 4: Simplify right side
536,587.55x = 238,126,337,793.48 - Step 5: Solve for x
x = 238,126,337,793.48/536,587.55 - Step 6: Final answer
x = 443,779.09
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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.