Finding the Fourth Proportional to 396,697.84, 596,077.08 and 370,781.08
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Solution
The fourth proportional to 396,697.84, 596,077.08 and 370,781.08 is: 557,134.63
Step by Step Solution
- Step 1: Write the proportion equation
396,697.84 : 596,077.08 = 370,781.08 : x - Step 2: Convert to fraction form
396,697.84/596,077.08 = 370,781.08/x - Step 3: Cross multiply
396,697.84x = 596,077.08 × 370,781.08 - Step 4: Simplify right side
396,697.84x = 221,014,103,485.65 - Step 5: Solve for x
x = 221,014,103,485.65/396,697.84 - Step 6: Final answer
x = 557,134.63
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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.