Finding the Fourth Proportional to 790,023.60, 1,184,537.17 and 435,286.74
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Solution
The fourth proportional to 790,023.60, 1,184,537.17 and 435,286.74 is: 652,655.60
Step by Step Solution
- Step 1: Write the proportion equation
790,023.60 : 1,184,537.17 = 435,286.74 : x - Step 2: Convert to fraction form
790,023.60/1,184,537.17 = 435,286.74/x - Step 3: Cross multiply
790,023.60x = 1,184,537.17 × 435,286.74 - Step 4: Simplify right side
790,023.60x = 515,613,323,138.13 - Step 5: Solve for x
x = 515,613,323,138.13/790,023.60 - Step 6: Final answer
x = 652,655.60
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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.