Finding the Fourth Proportional to 740,272.08, 1,110,407.98 and 403,595.85
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Solution
The fourth proportional to 740,272.08, 1,110,407.98 and 403,595.85 is: 605,393.70
Step by Step Solution
- Step 1: Write the proportion equation
740,272.08 : 1,110,407.98 = 403,595.85 : x - Step 2: Convert to fraction form
740,272.08/1,110,407.98 = 403,595.85/x - Step 3: Cross multiply
740,272.08x = 1,110,407.98 × 403,595.85 - Step 4: Simplify right side
740,272.08x = 448,156,052,534.88 - Step 5: Solve for x
x = 448,156,052,534.88/740,272.08 - Step 6: Final answer
x = 605,393.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.