Finding the Fourth Proportional to 840,271.49, 1,159,573.97 and 458,297.09
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Solution
The fourth proportional to 840,271.49, 1,159,573.97 and 458,297.09 is: 632,449.61
Step by Step Solution
- Step 1: Write the proportion equation
840,271.49 : 1,159,573.97 = 458,297.09 : x - Step 2: Convert to fraction form
840,271.49/1,159,573.97 = 458,297.09/x - Step 3: Cross multiply
840,271.49x = 1,159,573.97 × 458,297.09 - Step 4: Simplify right side
840,271.49x = 531,429,373,799.26 - Step 5: Solve for x
x = 531,429,373,799.26/840,271.49 - Step 6: Final answer
x = 632,449.61
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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.