Finding the Fourth Proportional to 553,305.99, 830,723.02 and 382,125.86
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Solution
The fourth proportional to 553,305.99, 830,723.02 and 382,125.86 is: 573,716.45
Step by Step Solution
- Step 1: Write the proportion equation
553,305.99 : 830,723.02 = 382,125.86 : x - Step 2: Convert to fraction form
553,305.99/830,723.02 = 382,125.86/x - Step 3: Cross multiply
553,305.99x = 830,723.02 × 382,125.86 - Step 4: Simplify right side
553,305.99x = 317,440,748,439.30 - Step 5: Solve for x
x = 317,440,748,439.30/553,305.99 - Step 6: Final answer
x = 573,716.45
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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.