Finding the Fourth Proportional to 493,776.14, 681,425.07 and 278,925.26
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Solution
The fourth proportional to 493,776.14, 681,425.07 and 278,925.26 is: 384,924.77
Step by Step Solution
- Step 1: Write the proportion equation
493,776.14 : 681,425.07 = 278,925.26 : x - Step 2: Convert to fraction form
493,776.14/681,425.07 = 278,925.26/x - Step 3: Cross multiply
493,776.14x = 681,425.07 × 278,925.26 - Step 4: Simplify right side
493,776.14x = 190,066,664,820.27 - Step 5: Solve for x
x = 190,066,664,820.27/493,776.14 - Step 6: Final answer
x = 384,924.77
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1.5x scale
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.