Finding the Fourth Proportional to 921,348.84, 1,271,462.62 and 513,441.76
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Solution
The fourth proportional to 921,348.84, 1,271,462.62 and 513,441.76 is: 708,550.31
Step by Step Solution
- Step 1: Write the proportion equation
921,348.84 : 1,271,462.62 = 513,441.76 : x - Step 2: Convert to fraction form
921,348.84/1,271,462.62 = 513,441.76/x - Step 3: Cross multiply
921,348.84x = 1,271,462.62 × 513,441.76 - Step 4: Simplify right side
921,348.84x = 652,822,005,387.01 - Step 5: Solve for x
x = 652,822,005,387.01/921,348.84 - Step 6: Final answer
x = 708,550.31
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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.