Finding the Fourth Proportional to 750,743.35, 1,036,128.90 and 460,303.54
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Solution
The fourth proportional to 750,743.35, 1,036,128.90 and 460,303.54 is: 635,282.08
Step by Step Solution
- Step 1: Write the proportion equation
750,743.35 : 1,036,128.90 = 460,303.54 : x - Step 2: Convert to fraction form
750,743.35/1,036,128.90 = 460,303.54/x - Step 3: Cross multiply
750,743.35x = 1,036,128.90 × 460,303.54 - Step 4: Simplify right side
750,743.35x = 476,933,800,566.31 - Step 5: Solve for x
x = 476,933,800,566.31/750,743.35 - Step 6: Final answer
x = 635,282.08
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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.