Finding the Fourth Proportional to 1,119,699.34, 1,679,272.18 and 479,930.52
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Solution
The fourth proportional to 1,119,699.34, 1,679,272.18 and 479,930.52 is: 719,777.12
Step by Step Solution
- Step 1: Write the proportion equation
1,119,699.34 : 1,679,272.18 = 479,930.52 : x - Step 2: Convert to fraction form
1,119,699.34/1,679,272.18 = 479,930.52/x - Step 3: Cross multiply
1,119,699.34x = 1,679,272.18 × 479,930.52 - Step 4: Simplify right side
1,119,699.34x = 805,933,970,568.93 - Step 5: Solve for x
x = 805,933,970,568.93/1,119,699.34 - Step 6: Final answer
x = 719,777.12
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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.