Finding the Fourth Proportional to 499,585.30, 688,587.93 and 378,687.94
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Solution
The fourth proportional to 499,585.30, 688,587.93 and 378,687.94 is: 521,952.80
Step by Step Solution
- Step 1: Write the proportion equation
499,585.30 : 688,587.93 = 378,687.94 : x - Step 2: Convert to fraction form
499,585.30/688,587.93 = 378,687.94/x - Step 3: Cross multiply
499,585.30x = 688,587.93 × 378,687.94 - Step 4: Simplify right side
499,585.30x = 260,759,944,720.56 - Step 5: Solve for x
x = 260,759,944,720.56/499,585.30 - Step 6: Final answer
x = 521,952.80
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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.