Finding the Fourth Proportional to 744,660.13, 1,027,598.53 and 413,495.52
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Solution
The fourth proportional to 744,660.13, 1,027,598.53 and 413,495.52 is: 570,605.81
Step by Step Solution
- Step 1: Write the proportion equation
744,660.13 : 1,027,598.53 = 413,495.52 : x - Step 2: Convert to fraction form
744,660.13/1,027,598.53 = 413,495.52/x - Step 3: Cross multiply
744,660.13x = 1,027,598.53 × 413,495.52 - Step 4: Simplify right side
744,660.13x = 424,907,391,909.06 - Step 5: Solve for x
x = 424,907,391,909.06/744,660.13 - Step 6: Final answer
x = 570,605.81
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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.