Finding the Fourth Proportional to 916,193.24, 1,264,498.42 and 508,426.06
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Solution
The fourth proportional to 916,193.24, 1,264,498.42 and 508,426.06 is: 701,712.17
Step by Step Solution
- Step 1: Write the proportion equation
916,193.24 : 1,264,498.42 = 508,426.06 : x - Step 2: Convert to fraction form
916,193.24/1,264,498.42 = 508,426.06/x - Step 3: Cross multiply
916,193.24x = 1,264,498.42 × 508,426.06 - Step 4: Simplify right side
916,193.24x = 642,903,949,556.83 - Step 5: Solve for x
x = 642,903,949,556.83/916,193.24 - Step 6: Final answer
x = 701,712.17
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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.