Finding the Fourth Proportional to 858,460.34, 1,184,821.98 and 495,819.02
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Solution
The fourth proportional to 858,460.34, 1,184,821.98 and 495,819.02 is: 684,314.98
Step by Step Solution
- Step 1: Write the proportion equation
858,460.34 : 1,184,821.98 = 495,819.02 : x - Step 2: Convert to fraction form
858,460.34/1,184,821.98 = 495,819.02/x - Step 3: Cross multiply
858,460.34x = 1,184,821.98 × 495,819.02 - Step 4: Simplify right side
858,460.34x = 587,457,272,998.06 - Step 5: Solve for x
x = 587,457,272,998.06/858,460.34 - Step 6: Final answer
x = 684,314.98
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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.