Finding the Fourth Proportional to 963,989.82, 1,445,986.74 and 395,266.14
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Solution
The fourth proportional to 963,989.82, 1,445,986.74 and 395,266.14 is: 592,900.03
Step by Step Solution
- Step 1: Write the proportion equation
963,989.82 : 1,445,986.74 = 395,266.14 : x - Step 2: Convert to fraction form
963,989.82/1,445,986.74 = 395,266.14/x - Step 3: Cross multiply
963,989.82x = 1,445,986.74 × 395,266.14 - Step 4: Simplify right side
963,989.82x = 571,549,597,210.98 - Step 5: Solve for x
x = 571,549,597,210.98/963,989.82 - Step 6: Final answer
x = 592,900.03
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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.