Finding the Fourth Proportional to 830,452.36, 1,146,027.98 and 467,881.76
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Solution
The fourth proportional to 830,452.36, 1,146,027.98 and 467,881.76 is: 645,678.93
Step by Step Solution
- Step 1: Write the proportion equation
830,452.36 : 1,146,027.98 = 467,881.76 : x - Step 2: Convert to fraction form
830,452.36/1,146,027.98 = 467,881.76/x - Step 3: Cross multiply
830,452.36x = 1,146,027.98 × 467,881.76 - Step 4: Simplify right side
830,452.36x = 536,205,588,291.65 - Step 5: Solve for x
x = 536,205,588,291.65/830,452.36 - Step 6: Final answer
x = 645,678.93
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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.