Finding the Fourth Proportional to 527,390.64, 727,746.94 and 294,774.03
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Solution
The fourth proportional to 527,390.64, 727,746.94 and 294,774.03 is: 406,759.02
Step by Step Solution
- Step 1: Write the proportion equation
527,390.64 : 727,746.94 = 294,774.03 : x - Step 2: Convert to fraction form
527,390.64/727,746.94 = 294,774.03/x - Step 3: Cross multiply
527,390.64x = 727,746.94 × 294,774.03 - Step 4: Simplify right side
527,390.64x = 214,520,898,323.97 - Step 5: Solve for x
x = 214,520,898,323.97/527,390.64 - Step 6: Final answer
x = 406,759.02
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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.