Finding the Fourth Proportional to 787,806.52, 1,181,461.91 and 255,203.98
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Solution
The fourth proportional to 787,806.52, 1,181,461.91 and 255,203.98 is: 382,725.68
Step by Step Solution
- Step 1: Write the proportion equation
787,806.52 : 1,181,461.91 = 255,203.98 : x - Step 2: Convert to fraction form
787,806.52/1,181,461.91 = 255,203.98/x - Step 3: Cross multiply
787,806.52x = 1,181,461.91 × 255,203.98 - Step 4: Simplify right side
787,806.52x = 301,513,785,242.07 - Step 5: Solve for x
x = 301,513,785,242.07/787,806.52 - Step 6: Final answer
x = 382,725.68
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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.