Finding the Fourth Proportional to 613,977.12, 846,964.08 and 422,659.44
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Solution
The fourth proportional to 613,977.12, 846,964.08 and 422,659.44 is: 583,046.75
Step by Step Solution
- Step 1: Write the proportion equation
613,977.12 : 846,964.08 = 422,659.44 : x - Step 2: Convert to fraction form
613,977.12/846,964.08 = 422,659.44/x - Step 3: Cross multiply
613,977.12x = 846,964.08 × 422,659.44 - Step 4: Simplify right side
613,977.12x = 357,977,363,752.92 - Step 5: Solve for x
x = 357,977,363,752.92/613,977.12 - Step 6: Final answer
x = 583,046.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.