Finding the Fourth Proportional to 996,980.99, 1,372,370.18 and 869,435.15
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Solution
The fourth proportional to 996,980.99, 1,372,370.18 and 869,435.15 is: 1,196,800.02
Step by Step Solution
- Step 1: Write the proportion equation
996,980.99 : 1,372,370.18 = 869,435.15 : x - Step 2: Convert to fraction form
996,980.99/1,372,370.18 = 869,435.15/x - Step 3: Cross multiply
996,980.99x = 1,372,370.18 × 869,435.15 - Step 4: Simplify right side
996,980.99x = 1,193,186,862,094.80 - Step 5: Solve for x
x = 1,193,186,862,094.80/996,980.99 - Step 6: Final answer
x = 1,196,800.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.