Finding the Fourth Proportional to 439,746.70, 659,620.05 and 415,252.30
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Solution
The fourth proportional to 439,746.70, 659,620.05 and 415,252.30 is: 622,878.45
Step by Step Solution
- Step 1: Write the proportion equation
439,746.70 : 659,620.05 = 415,252.30 : x - Step 2: Convert to fraction form
439,746.70/659,620.05 = 415,252.30/x - Step 3: Cross multiply
439,746.70x = 659,620.05 × 415,252.30 - Step 4: Simplify right side
439,746.70x = 273,908,742,888.62 - Step 5: Solve for x
x = 273,908,742,888.62/439,746.70 - Step 6: Final answer
x = 622,878.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.