Finding the Fourth Proportional to 632,588.13, 872,963.87 and 346,104.09
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Solution
The fourth proportional to 632,588.13, 872,963.87 and 346,104.09 is: 477,619.40
Step by Step Solution
- Step 1: Write the proportion equation
632,588.13 : 872,963.87 = 346,104.09 : x - Step 2: Convert to fraction form
632,588.13/872,963.87 = 346,104.09/x - Step 3: Cross multiply
632,588.13x = 872,963.87 × 346,104.09 - Step 4: Simplify right side
632,588.13x = 302,136,364,098.71 - Step 5: Solve for x
x = 302,136,364,098.71/632,588.13 - Step 6: Final answer
x = 477,619.40
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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.