Finding the Fourth Proportional to 844,681.74, 1,165,660.74 and 462,708.42
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Solution
The fourth proportional to 844,681.74, 1,165,660.74 and 462,708.42 is: 638,537.59
Step by Step Solution
- Step 1: Write the proportion equation
844,681.74 : 1,165,660.74 = 462,708.42 : x - Step 2: Convert to fraction form
844,681.74/1,165,660.74 = 462,708.42/x - Step 3: Cross multiply
844,681.74x = 1,165,660.74 × 462,708.42 - Step 4: Simplify right side
844,681.74x = 539,361,039,261.43 - Step 5: Solve for x
x = 539,361,039,261.43/844,681.74 - Step 6: Final answer
x = 638,537.59
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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.