Finding the Fourth Proportional to 858,470.74, 1,184,686.69 and 471,276.52
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Solution
The fourth proportional to 858,470.74, 1,184,686.69 and 471,276.52 is: 650,359.99
Step by Step Solution
- Step 1: Write the proportion equation
858,470.74 : 1,184,686.69 = 471,276.52 : x - Step 2: Convert to fraction form
858,470.74/1,184,686.69 = 471,276.52/x - Step 3: Cross multiply
858,470.74x = 1,184,686.69 × 471,276.52 - Step 4: Simplify right side
858,470.74x = 558,315,020,553.52 - Step 5: Solve for x
x = 558,315,020,553.52/858,470.74 - Step 6: Final answer
x = 650,359.99
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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.