Finding the Fourth Proportional to 864,987.95, 1,193,678.60 and 477,829.94
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Solution
The fourth proportional to 864,987.95, 1,193,678.60 and 477,829.94 is: 659,402.68
Step by Step Solution
- Step 1: Write the proportion equation
864,987.95 : 1,193,678.60 = 477,829.94 : x - Step 2: Convert to fraction form
864,987.95/1,193,678.60 = 477,829.94/x - Step 3: Cross multiply
864,987.95x = 1,193,678.60 × 477,829.94 - Step 4: Simplify right side
864,987.95x = 570,375,365,459.74 - Step 5: Solve for x
x = 570,375,365,459.74/864,987.95 - Step 6: Final answer
x = 659,402.68
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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.