Finding the Fourth Proportional to 684,803.13, 1,027,203.71 and 274,657.46
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Solution
The fourth proportional to 684,803.13, 1,027,203.71 and 274,657.46 is: 411,985.79
Step by Step Solution
- Step 1: Write the proportion equation
684,803.13 : 1,027,203.71 = 274,657.46 : x - Step 2: Convert to fraction form
684,803.13/1,027,203.71 = 274,657.46/x - Step 3: Cross multiply
684,803.13x = 1,027,203.71 × 274,657.46 - Step 4: Simplify right side
684,803.13x = 282,129,155,381.87 - Step 5: Solve for x
x = 282,129,155,381.87/684,803.13 - Step 6: Final answer
x = 411,985.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.