Finding the Fourth Proportional to 858,739.98, 1,288,700.42 and 297,774.48
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Solution
The fourth proportional to 858,739.98, 1,288,700.42 and 297,774.48 is: 446,866.46
Step by Step Solution
- Step 1: Write the proportion equation
858,739.98 : 1,288,700.42 = 297,774.48 : x - Step 2: Convert to fraction form
858,739.98/1,288,700.42 = 297,774.48/x - Step 3: Cross multiply
858,739.98x = 1,288,700.42 × 297,774.48 - Step 4: Simplify right side
858,739.98x = 383,742,100,785.04 - Step 5: Solve for x
x = 383,742,100,785.04/858,739.98 - Step 6: Final answer
x = 446,866.46
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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.