Finding the Fourth Proportional to 768,808.23, 1,153,322.61 and 236,373.96
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Solution
The fourth proportional to 768,808.23, 1,153,322.61 and 236,373.96 is: 354,594.84
Step by Step Solution
- Step 1: Write the proportion equation
768,808.23 : 1,153,322.61 = 236,373.96 : x - Step 2: Convert to fraction form
768,808.23/1,153,322.61 = 236,373.96/x - Step 3: Cross multiply
768,808.23x = 1,153,322.61 × 236,373.96 - Step 4: Simplify right side
768,808.23x = 272,615,432,483.24 - Step 5: Solve for x
x = 272,615,432,483.24/768,808.23 - Step 6: Final answer
x = 354,594.84
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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.