Finding the Fourth Proportional to 858,420.03, 1,184,675.68 and 495,859.17
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Solution
The fourth proportional to 858,420.03, 1,184,675.68 and 495,859.17 is: 684,318.02
Step by Step Solution
- Step 1: Write the proportion equation
858,420.03 : 1,184,675.68 = 495,859.17 : x - Step 2: Convert to fraction form
858,420.03/1,184,675.68 = 495,859.17/x - Step 3: Cross multiply
858,420.03x = 1,184,675.68 × 495,859.17 - Step 4: Simplify right side
858,420.03x = 587,432,295,013.34 - Step 5: Solve for x
x = 587,432,295,013.34/858,420.03 - Step 6: Final answer
x = 684,318.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.