Finding the Fourth Proportional to 1,130,189.64, 1,695,297.63 and 331,487.12
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Solution
The fourth proportional to 1,130,189.64, 1,695,297.63 and 331,487.12 is: 497,234.54
Step by Step Solution
- Step 1: Write the proportion equation
1,130,189.64 : 1,695,297.63 = 331,487.12 : x - Step 2: Convert to fraction form
1,130,189.64/1,695,297.63 = 331,487.12/x - Step 3: Cross multiply
1,130,189.64x = 1,695,297.63 × 331,487.12 - Step 4: Simplify right side
1,130,189.64x = 561,969,328,911.53 - Step 5: Solve for x
x = 561,969,328,911.53/1,130,189.64 - Step 6: Final answer
x = 497,234.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.