Finding the Fourth Proportional to 619,988.99, 855,482.92 and 365,305.55
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Solution
The fourth proportional to 619,988.99, 855,482.92 and 365,305.55 is: 504,061.62
Step by Step Solution
- Step 1: Write the proportion equation
619,988.99 : 855,482.92 = 365,305.55 : x - Step 2: Convert to fraction form
619,988.99/855,482.92 = 365,305.55/x - Step 3: Cross multiply
619,988.99x = 855,482.92 × 365,305.55 - Step 4: Simplify right side
619,988.99x = 312,512,653,415.53 - Step 5: Solve for x
x = 312,512,653,415.53/619,988.99 - Step 6: Final answer
x = 504,061.62
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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.