Finding the Fourth Proportional to 684,465.90, 1,026,769.26 and 258,360.63
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Solution
The fourth proportional to 684,465.90, 1,026,769.26 and 258,360.63 is: 387,567.52
Step by Step Solution
- Step 1: Write the proportion equation
684,465.90 : 1,026,769.26 = 258,360.63 : x - Step 2: Convert to fraction form
684,465.90/1,026,769.26 = 258,360.63/x - Step 3: Cross multiply
684,465.90x = 1,026,769.26 × 258,360.63 - Step 4: Simplify right side
684,465.90x = 265,276,752,878.23 - Step 5: Solve for x
x = 265,276,752,878.23/684,465.90 - Step 6: Final answer
x = 387,567.52
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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.