Finding the Fourth Proportional to 948,739.68, 1,423,577.12 and 443,335.55
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Solution
The fourth proportional to 948,739.68, 1,423,577.12 and 443,335.55 is: 665,221.82
Step by Step Solution
- Step 1: Write the proportion equation
948,739.68 : 1,423,577.12 = 443,335.55 : x - Step 2: Convert to fraction form
948,739.68/1,423,577.12 = 443,335.55/x - Step 3: Cross multiply
948,739.68x = 1,423,577.12 × 443,335.55 - Step 4: Simplify right side
948,739.68x = 631,122,336,128.05 - Step 5: Solve for x
x = 631,122,336,128.05/948,739.68 - Step 6: Final answer
x = 665,221.82
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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.