Finding the Fourth Proportional to 921,512.64, 1,271,533.26 and 513,525.05
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Solution
The fourth proportional to 921,512.64, 1,271,533.26 and 513,525.05 is: 708,578.65
Step by Step Solution
- Step 1: Write the proportion equation
921,512.64 : 1,271,533.26 = 513,525.05 : x - Step 2: Convert to fraction form
921,512.64/1,271,533.26 = 513,525.05/x - Step 3: Cross multiply
921,512.64x = 1,271,533.26 × 513,525.05 - Step 4: Simplify right side
921,512.64x = 652,964,180,918.16 - Step 5: Solve for x
x = 652,964,180,918.16/921,512.64 - Step 6: Final answer
x = 708,578.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.