Finding the Fourth Proportional to 396,695.84, 596,074.08 and 370,779.08
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Solution
The fourth proportional to 396,695.84, 596,074.08 and 370,779.08 is: 557,131.63
Step by Step Solution
- Step 1: Write the proportion equation
396,695.84 : 596,074.08 = 370,779.08 : x - Step 2: Convert to fraction form
396,695.84/596,074.08 = 370,779.08/x - Step 3: Cross multiply
396,695.84x = 596,074.08 × 370,779.08 - Step 4: Simplify right side
396,695.84x = 221,011,798,994.25 - Step 5: Solve for x
x = 221,011,798,994.25/396,695.84 - Step 6: Final answer
x = 557,131.63
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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.