Finding the Fourth Proportional to 830,812.91, 1,248,820.97 and 548,319.02
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Solution
The fourth proportional to 830,812.91, 1,248,820.97 and 548,319.02 is: 824,195.53
Step by Step Solution
- Step 1: Write the proportion equation
830,812.91 : 1,248,820.97 = 548,319.02 : x - Step 2: Convert to fraction form
830,812.91/1,248,820.97 = 548,319.02/x - Step 3: Cross multiply
830,812.91x = 1,248,820.97 × 548,319.02 - Step 4: Simplify right side
830,812.91x = 684,752,281,440.15 - Step 5: Solve for x
x = 684,752,281,440.15/830,812.91 - Step 6: Final answer
x = 824,195.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.